20571281640

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1789}}^1$

素因数の和:1848

約数の個数: 576

約数和(自身を含む): 85849545600

約数和(自身を除く): 65278263960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 81, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 162, 168, 169, 180, 182, 189, 195, 210, 216, 234, 243, 252, 260, 270, 273, 280, 312, 315, 324, 338, 351, 360, 364, 378, 390, 405, 420, 455, 468, 486, 504, 507, 520, 540, 546, 567, 585, 630, 648, 676, 702, 728, 756, 780, 810, 819, 840, 845, 910, 936, 945, 972, 1014, 1053, 1080, 1092, 1134, 1170, 1183, 1215, 1260, 1352, 1365, 1404, 1512, 1521, 1560, 1620, 1638, 1690, 1701, 1755, 1789, 1820, 1890, 1944, 2028, 2106, 2184, 2268, 2340, 2366, 2430, 2457, 2520, 2535, 2730, 2808, 2835, 3042, 3159, 3240, 3276, 3380, 3402, 3510, 3549, 3578, 3640, 3780, 4056, 4095, 4212, 4536, 4563, 4680, 4732, 4860, 4914, 5070, 5265, 5367, 5460, 5670, 5915, 6084, 6318, 6552, 6760, 6804, 7020, 7098, 7156, 7371, 7560, 7605, 8190, 8424, 8505, 8945, 9126, 9464, 9720, 9828, 10140, 10530, 10647, 10734, 10920, 11340, 11830, 12168, 12285, 12523, 12636, 13608, 13689, 14040, 14196, 14312, 14742, 15210, 15795, 16101, 16380, 17010, 17745, 17890, 18252, 19656, 20280, 21060, 21294, 21468, 22113, 22680, 22815, 23257, 23660, 24570, 25046, 25272, 26835, 27378, 28392, 29484, 30420, 31590, 31941, 32202, 32760, 34020, 35490, 35780, 36504, 36855, 37569, 41067, 42120, 42588, 42936, 44226, 45630, 46514, 47320, 48303, 49140, 50092, 53235, 53670, 54756, 58968, 60840, 62615, 63180, 63882, 64404, 68040, 68445, 69771, 70980, 71560, 73710, 75138, 80505, 82134, 85176, 88452, 91260, 93028, 95823, 96606, 98280, 100184, 106470, 107340, 109512, 110565, 112707, 116285, 125230, 126360, 127764, 128808, 136890, 139542, 141960, 144909, 147420, 150276, 159705, 161010, 162799, 164268, 176904, 182520, 186056, 187845, 191646, 193212, 205335, 209313, 212940, 214680, 221130, 225414, 232570, 241515, 250460, 255528, 273780, 279084, 287469, 289818, 294840, 300552, 302341, 319410, 322020, 325598, 328536, 338121, 348855, 375690, 383292, 386424, 410670, 418626, 425880, 434727, 442260, 450828, 465140, 479115, 483030, 488397, 500920, 547560, 558168, 563535, 574938, 579636, 604682, 627939, 638820, 644040, 651196, 676242, 697710, 724545, 751380, 766584, 813995, 821340, 837252, 869454, 884520, 901656, 907023, 930280, 958230, 966060, 976794, 1014363, 1046565, 1127070, 1149876, 1159272, 1209364, 1255878, 1277640, 1302392, 1352484, 1395420, 1437345, 1449090, 1465191, 1502760, 1511705, 1627990, 1642680, 1674504, 1690605, 1738908, 1814046, 1883817, 1916460, 1932120, 1953588, 2028726, 2093130, 2116387, 2173635, 2254140, 2299752, 2418728, 2441985, 2511756, 2704968, 2721069, 2790840, 2874690, 2898180, 2930382, 3023410, 3043089, 3139695, 3255980, 3381210, 3477816, 3628092, 3767634, 3832920, 3907176, 4057452, 4186260, 4232774, 4347270, 4395573, 4508280, 4535115, 4883970, 5023512, 5071815, 5442138, 5651451, 5749380, 5796360, 5860764, 6046820, 6086178, 6279390, 6349161, 6511960, 6762420, 7256184, 7325955, 7535268, 8114904, 8163207, 8372520, 8465548, 8694540, 8791146, 9070230, 9419085, 9767940, 10143630, 10581935, 10884276, 11302902, 11498760, 11721528, 12093640, 12172356, 12558780, 12698322, 13186719, 13524840, 13605345, 14651910, 15070536, 15215445, 16326414, 16931096, 17389080, 17582292, 18140460, 18838170, 19047483, 19535880, 20287260, 21163870, 21768552, 21977865, 22605804, 24344712, 24489621, 25117560, 25396644, 26373438, 27210690, 28257255, 29303820, 30430890, 31745805, 32652828, 35164584, 36280920, 37676340, 38094966, 39560157, 40574520, 40816035, 42327740, 43955730, 45211608, 48979242, 50793288, 52746876, 54421380, 56514510, 57142449, 58607640, 60861780, 63491610, 65305656, 65933595, 73468863, 75352680, 76189932, 79120314, 81632070, 84655480, 87911460, 95237415, 97958484, 105493752, 108842760, 113029020, 114284898, 121723560, 122448105, 126983220, 131867190, 146937726, 152379864, 158240628, 163264140, 171427347, 175822920, 190474830, 195916968, 197800785, 226058040, 228569796, 244896210, 253966440, 263734380, 285712245, 293875452, 316481256, 326528280, 342854694, 367344315, 380949660, 395601570, 457139592, 489792420, 514282041, 527468760, 571424490, 587750904, 685709388, 734688630, 761899320, 791203140, 857136735, 979584840, 1028564082, 1142848980, 1371418776, 1469377260, 1582406280, 1714273470, 2057128164, 2285697960, 2571410205, 2938754520, 3428546940, 4114256328, 5142820410, 6857093880, 10285640820, 20571281640]

約数ペア:

[(1, 20571281640), (2, 10285640820), (3, 6857093880), (4, 5142820410), (5, 4114256328), (6, 3428546940), (7, 2938754520), (8, 2571410205), (9, 2285697960), (10, 2057128164), (12, 1714273470), (13, 1582406280), (14, 1469377260), (15, 1371418776), (18, 1142848980), (20, 1028564082), (21, 979584840), (24, 857136735), (26, 791203140), (27, 761899320), (28, 734688630), (30, 685709388), (35, 587750904), (36, 571424490), (39, 527468760), (40, 514282041), (42, 489792420), (45, 457139592), (52, 395601570), (54, 380949660), (56, 367344315), (60, 342854694), (63, 326528280), (65, 316481256), (70, 293875452), (72, 285712245), (78, 263734380), (81, 253966440), (84, 244896210), (90, 228569796), (91, 226058040), (104, 197800785), (105, 195916968), (108, 190474830), (117, 175822920), (120, 171427347), (126, 163264140), (130, 158240628), (135, 152379864), (140, 146937726), (156, 131867190), (162, 126983220), (168, 122448105), (169, 121723560), (180, 114284898), (182, 113029020), (189, 108842760), (195, 105493752), (210, 97958484), (216, 95237415), (234, 87911460), (243, 84655480), (252, 81632070), (260, 79120314), (270, 76189932), (273, 75352680), (280, 73468863), (312, 65933595), (315, 65305656), (324, 63491610), (338, 60861780), (351, 58607640), (360, 57142449), (364, 56514510), (378, 54421380), (390, 52746876), (405, 50793288), (420, 48979242), (455, 45211608), (468, 43955730), (486, 42327740), (504, 40816035), (507, 40574520), (520, 39560157), (540, 38094966), (546, 37676340), (567, 36280920), (585, 35164584), (630, 32652828), (648, 31745805), (676, 30430890), (702, 29303820), (728, 28257255), (756, 27210690), (780, 26373438), (810, 25396644), (819, 25117560), (840, 24489621), (845, 24344712), (910, 22605804), (936, 21977865), (945, 21768552), (972, 21163870), (1014, 20287260), (1053, 19535880), (1080, 19047483), (1092, 18838170), (1134, 18140460), (1170, 17582292), (1183, 17389080), (1215, 16931096), (1260, 16326414), (1352, 15215445), (1365, 15070536), (1404, 14651910), (1512, 13605345), (1521, 13524840), (1560, 13186719), (1620, 12698322), (1638, 12558780), (1690, 12172356), (1701, 12093640), (1755, 11721528), (1789, 11498760), (1820, 11302902), (1890, 10884276), (1944, 10581935), (2028, 10143630), (2106, 9767940), (2184, 9419085), (2268, 9070230), (2340, 8791146), (2366, 8694540), (2430, 8465548), (2457, 8372520), (2520, 8163207), (2535, 8114904), (2730, 7535268), (2808, 7325955), (2835, 7256184), (3042, 6762420), (3159, 6511960), (3240, 6349161), (3276, 6279390), (3380, 6086178), (3402, 6046820), (3510, 5860764), (3549, 5796360), (3578, 5749380), (3640, 5651451), (3780, 5442138), (4056, 5071815), (4095, 5023512), (4212, 4883970), (4536, 4535115), (4563, 4508280), (4680, 4395573), (4732, 4347270), (4860, 4232774), (4914, 4186260), (5070, 4057452), (5265, 3907176), (5367, 3832920), (5460, 3767634), (5670, 3628092), (5915, 3477816), (6084, 3381210), (6318, 3255980), (6552, 3139695), (6760, 3043089), (6804, 3023410), (7020, 2930382), (7098, 2898180), (7156, 2874690), (7371, 2790840), (7560, 2721069), (7605, 2704968), (8190, 2511756), (8424, 2441985), (8505, 2418728), (8945, 2299752), (9126, 2254140), (9464, 2173635), (9720, 2116387), (9828, 2093130), (10140, 2028726), (10530, 1953588), (10647, 1932120), (10734, 1916460), (10920, 1883817), (11340, 1814046), (11830, 1738908), (12168, 1690605), (12285, 1674504), (12523, 1642680), (12636, 1627990), (13608, 1511705), (13689, 1502760), (14040, 1465191), (14196, 1449090), (14312, 1437345), (14742, 1395420), (15210, 1352484), (15795, 1302392), (16101, 1277640), (16380, 1255878), (17010, 1209364), (17745, 1159272), (17890, 1149876), (18252, 1127070), (19656, 1046565), (20280, 1014363), (21060, 976794), (21294, 966060), (21468, 958230), (22113, 930280), (22680, 907023), (22815, 901656), (23257, 884520), (23660, 869454), (24570, 837252), (25046, 821340), (25272, 813995), (26835, 766584), (27378, 751380), (28392, 724545), (29484, 697710), (30420, 676242), (31590, 651196), (31941, 644040), (32202, 638820), (32760, 627939), (34020, 604682), (35490, 579636), (35780, 574938), (36504, 563535), (36855, 558168), (37569, 547560), (41067, 500920), (42120, 488397), (42588, 483030), (42936, 479115), (44226, 465140), (45630, 450828), (46514, 442260), (47320, 434727), (48303, 425880), (49140, 418626), (50092, 410670), (53235, 386424), (53670, 383292), (54756, 375690), (58968, 348855), (60840, 338121), (62615, 328536), (63180, 325598), (63882, 322020), (64404, 319410), (68040, 302341), (68445, 300552), (69771, 294840), (70980, 289818), (71560, 287469), (73710, 279084), (75138, 273780), (80505, 255528), (82134, 250460), (85176, 241515), (88452, 232570), (91260, 225414), (93028, 221130), (95823, 214680), (96606, 212940), (98280, 209313), (100184, 205335), (106470, 193212), (107340, 191646), (109512, 187845), (110565, 186056), (112707, 182520), (116285, 176904), (125230, 164268), (126360, 162799), (127764, 161010), (128808, 159705), (136890, 150276), (139542, 147420), (141960, 144909)]