20787776640

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{2477}}^1$

素因数の和:2580

約数の個数: 384

約数和(自身を含む): 75705477120

約数和(自身を除く): 54917700480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 47, 48, 60, 62, 64, 72, 80, 90, 93, 94, 96, 120, 124, 128, 141, 144, 155, 160, 180, 186, 188, 192, 235, 240, 248, 279, 282, 288, 310, 320, 360, 372, 376, 384, 423, 465, 470, 480, 496, 558, 564, 576, 620, 640, 705, 720, 744, 752, 846, 930, 940, 960, 992, 1116, 1128, 1152, 1240, 1395, 1410, 1440, 1457, 1488, 1504, 1692, 1860, 1880, 1920, 1984, 2115, 2232, 2256, 2477, 2480, 2790, 2820, 2880, 2914, 2976, 3008, 3384, 3720, 3760, 3968, 4230, 4371, 4464, 4512, 4954, 4960, 5580, 5640, 5760, 5828, 5952, 6016, 6768, 7285, 7431, 7440, 7520, 8460, 8742, 8928, 9024, 9908, 9920, 11160, 11280, 11656, 11904, 12385, 13113, 13536, 14570, 14862, 14880, 15040, 16920, 17484, 17856, 18048, 19816, 19840, 21855, 22293, 22320, 22560, 23312, 24770, 26226, 27072, 29140, 29724, 29760, 30080, 33840, 34968, 35712, 37155, 39632, 43710, 44586, 44640, 45120, 46624, 49540, 52452, 54144, 58280, 59448, 59520, 65565, 67680, 69936, 74310, 76787, 79264, 87420, 89172, 89280, 90240, 93248, 99080, 104904, 111465, 116419, 116560, 118896, 131130, 135360, 139872, 148620, 153574, 158528, 174840, 178344, 178560, 186496, 198160, 209808, 222930, 230361, 232838, 233120, 237792, 262260, 270720, 279744, 297240, 307148, 317056, 349257, 349680, 356688, 383935, 396320, 419616, 445860, 460722, 465676, 466240, 475584, 524520, 559488, 582095, 594480, 614296, 691083, 698514, 699360, 713376, 767870, 792640, 839232, 891720, 921444, 931352, 932480, 951168, 1047771, 1049040, 1151805, 1164190, 1188960, 1228592, 1382166, 1397028, 1398720, 1426752, 1535740, 1585280, 1678464, 1746285, 1783440, 1842888, 1862704, 2095542, 2098080, 2303610, 2328380, 2377920, 2457184, 2764332, 2794056, 2797440, 2853504, 3071480, 3455415, 3492570, 3566880, 3608989, 3685776, 3725408, 4191084, 4196160, 4607220, 4656760, 4755840, 4914368, 5238855, 5528664, 5588112, 6142960, 6910830, 6985140, 7133760, 7217978, 7371552, 7450816, 8382168, 8392320, 9214440, 9313520, 9828736, 10477710, 10826967, 11057328, 11176224, 12285920, 13821660, 13970280, 14267520, 14435956, 14743104, 14901632, 16764336, 18044945, 18428880, 18627040, 20955420, 21653934, 22114656, 22352448, 24571840, 27643320, 27940560, 28871912, 29486208, 32480901, 33528672, 36089890, 36857760, 37254080, 41910840, 43307868, 44229312, 44704896, 49143680, 54134835, 55286640, 55881120, 57743824, 64961802, 67057344, 72179780, 73715520, 74508160, 83821680, 86615736, 88458624, 108269670, 110573280, 111762240, 115487648, 129923604, 134114688, 144359560, 147431040, 162404505, 167643360, 173231472, 216539340, 221146560, 223524480, 230975296, 259847208, 288719120, 324809010, 335286720, 346462944, 433078680, 442293120, 461950592, 519694416, 577438240, 649618020, 670573440, 692925888, 866157360, 1039388832, 1154876480, 1299236040, 1385851776, 1732314720, 2078777664, 2309752960, 2598472080, 3464629440, 4157555328, 5196944160, 6929258880, 10393888320, 20787776640]

約数ペア:

[(1, 20787776640), (2, 10393888320), (3, 6929258880), (4, 5196944160), (5, 4157555328), (6, 3464629440), (8, 2598472080), (9, 2309752960), (10, 2078777664), (12, 1732314720), (15, 1385851776), (16, 1299236040), (18, 1154876480), (20, 1039388832), (24, 866157360), (30, 692925888), (31, 670573440), (32, 649618020), (36, 577438240), (40, 519694416), (45, 461950592), (47, 442293120), (48, 433078680), (60, 346462944), (62, 335286720), (64, 324809010), (72, 288719120), (80, 259847208), (90, 230975296), (93, 223524480), (94, 221146560), (96, 216539340), (120, 173231472), (124, 167643360), (128, 162404505), (141, 147431040), (144, 144359560), (155, 134114688), (160, 129923604), (180, 115487648), (186, 111762240), (188, 110573280), (192, 108269670), (235, 88458624), (240, 86615736), (248, 83821680), (279, 74508160), (282, 73715520), (288, 72179780), (310, 67057344), (320, 64961802), (360, 57743824), (372, 55881120), (376, 55286640), (384, 54134835), (423, 49143680), (465, 44704896), (470, 44229312), (480, 43307868), (496, 41910840), (558, 37254080), (564, 36857760), (576, 36089890), (620, 33528672), (640, 32480901), (705, 29486208), (720, 28871912), (744, 27940560), (752, 27643320), (846, 24571840), (930, 22352448), (940, 22114656), (960, 21653934), (992, 20955420), (1116, 18627040), (1128, 18428880), (1152, 18044945), (1240, 16764336), (1395, 14901632), (1410, 14743104), (1440, 14435956), (1457, 14267520), (1488, 13970280), (1504, 13821660), (1692, 12285920), (1860, 11176224), (1880, 11057328), (1920, 10826967), (1984, 10477710), (2115, 9828736), (2232, 9313520), (2256, 9214440), (2477, 8392320), (2480, 8382168), (2790, 7450816), (2820, 7371552), (2880, 7217978), (2914, 7133760), (2976, 6985140), (3008, 6910830), (3384, 6142960), (3720, 5588112), (3760, 5528664), (3968, 5238855), (4230, 4914368), (4371, 4755840), (4464, 4656760), (4512, 4607220), (4954, 4196160), (4960, 4191084), (5580, 3725408), (5640, 3685776), (5760, 3608989), (5828, 3566880), (5952, 3492570), (6016, 3455415), (6768, 3071480), (7285, 2853504), (7431, 2797440), (7440, 2794056), (7520, 2764332), (8460, 2457184), (8742, 2377920), (8928, 2328380), (9024, 2303610), (9908, 2098080), (9920, 2095542), (11160, 1862704), (11280, 1842888), (11656, 1783440), (11904, 1746285), (12385, 1678464), (13113, 1585280), (13536, 1535740), (14570, 1426752), (14862, 1398720), (14880, 1397028), (15040, 1382166), (16920, 1228592), (17484, 1188960), (17856, 1164190), (18048, 1151805), (19816, 1049040), (19840, 1047771), (21855, 951168), (22293, 932480), (22320, 931352), (22560, 921444), (23312, 891720), (24770, 839232), (26226, 792640), (27072, 767870), (29140, 713376), (29724, 699360), (29760, 698514), (30080, 691083), (33840, 614296), (34968, 594480), (35712, 582095), (37155, 559488), (39632, 524520), (43710, 475584), (44586, 466240), (44640, 465676), (45120, 460722), (46624, 445860), (49540, 419616), (52452, 396320), (54144, 383935), (58280, 356688), (59448, 349680), (59520, 349257), (65565, 317056), (67680, 307148), (69936, 297240), (74310, 279744), (76787, 270720), (79264, 262260), (87420, 237792), (89172, 233120), (89280, 232838), (90240, 230361), (93248, 222930), (99080, 209808), (104904, 198160), (111465, 186496), (116419, 178560), (116560, 178344), (118896, 174840), (131130, 158528), (135360, 153574), (139872, 148620)]