1815242520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:739

約数の個数: 384

約数和(自身を含む): 7104499200

約数和(自身を除く): 5289256680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 169, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 338, 364, 380, 390, 399, 420, 455, 456, 494, 507, 520, 532, 546, 570, 665, 673, 676, 728, 741, 760, 780, 798, 840, 845, 910, 988, 1014, 1064, 1092, 1140, 1183, 1235, 1330, 1346, 1352, 1365, 1482, 1560, 1596, 1690, 1729, 1820, 1976, 1995, 2019, 2028, 2184, 2280, 2366, 2470, 2535, 2660, 2692, 2730, 2964, 3192, 3211, 3365, 3380, 3458, 3549, 3640, 3705, 3990, 4038, 4056, 4711, 4732, 4940, 5070, 5187, 5320, 5384, 5460, 5915, 5928, 6422, 6730, 6760, 6916, 7098, 7410, 7980, 8076, 8645, 8749, 9422, 9464, 9633, 9880, 10095, 10140, 10374, 10920, 11830, 12787, 12844, 13460, 13832, 14133, 14196, 14820, 15960, 16055, 16152, 17290, 17498, 17745, 18844, 19266, 20190, 20280, 20748, 22477, 23555, 23660, 25574, 25688, 25935, 26247, 26920, 28266, 28392, 29640, 32110, 34580, 34996, 35490, 37688, 38361, 38532, 40380, 41496, 43745, 44954, 47110, 47320, 48165, 51148, 51870, 52494, 56532, 61243, 63935, 64220, 67431, 69160, 69992, 70665, 70980, 76722, 77064, 80760, 87490, 89509, 89908, 94220, 96330, 102296, 103740, 104988, 112385, 113064, 113737, 122486, 127870, 128440, 131235, 134862, 141330, 141960, 153444, 166231, 174980, 179018, 179816, 183729, 188440, 191805, 192660, 207480, 209976, 224770, 227474, 244972, 255740, 262470, 268527, 269724, 282660, 306215, 306888, 332462, 337155, 341211, 349960, 358036, 367458, 383610, 385320, 447545, 449540, 454948, 489944, 498693, 511480, 524940, 537054, 539448, 565320, 568685, 612430, 664924, 674310, 682422, 716072, 734916, 767220, 796159, 831155, 895090, 899080, 909896, 918645, 997386, 1049880, 1074108, 1137370, 1163617, 1224860, 1329848, 1342635, 1348620, 1364844, 1469832, 1534440, 1592318, 1662310, 1706055, 1790180, 1837290, 1994772, 2148216, 2161003, 2274740, 2327234, 2388477, 2449720, 2493465, 2685270, 2697240, 2729688, 3184636, 3324620, 3412110, 3490851, 3580360, 3674580, 3980795, 3989544, 4322006, 4549480, 4654468, 4776954, 4986930, 5370540, 5818085, 6369272, 6483009, 6649240, 6824220, 6981702, 7349160, 7961590, 8644012, 9308936, 9553908, 9973860, 10741080, 10805015, 11636170, 11942385, 12966018, 13648440, 13963404, 15127021, 15923180, 17288024, 17454255, 19107816, 19947720, 21610030, 23272340, 23884770, 25932036, 27926808, 30254042, 31846360, 32415045, 34908510, 43220060, 45381063, 46544680, 47769540, 51864072, 60508084, 64830090, 69817020, 75635105, 86440120, 90762126, 95539080, 121016168, 129660180, 139634040, 151270210, 181524252, 226905315, 259320360, 302540420, 363048504, 453810630, 605080840, 907621260, 1815242520]

約数ペア:

[(1, 1815242520), (2, 907621260), (3, 605080840), (4, 453810630), (5, 363048504), (6, 302540420), (7, 259320360), (8, 226905315), (10, 181524252), (12, 151270210), (13, 139634040), (14, 129660180), (15, 121016168), (19, 95539080), (20, 90762126), (21, 86440120), (24, 75635105), (26, 69817020), (28, 64830090), (30, 60508084), (35, 51864072), (38, 47769540), (39, 46544680), (40, 45381063), (42, 43220060), (52, 34908510), (56, 32415045), (57, 31846360), (60, 30254042), (65, 27926808), (70, 25932036), (76, 23884770), (78, 23272340), (84, 21610030), (91, 19947720), (95, 19107816), (104, 17454255), (105, 17288024), (114, 15923180), (120, 15127021), (130, 13963404), (133, 13648440), (140, 12966018), (152, 11942385), (156, 11636170), (168, 10805015), (169, 10741080), (182, 9973860), (190, 9553908), (195, 9308936), (210, 8644012), (228, 7961590), (247, 7349160), (260, 6981702), (266, 6824220), (273, 6649240), (280, 6483009), (285, 6369272), (312, 5818085), (338, 5370540), (364, 4986930), (380, 4776954), (390, 4654468), (399, 4549480), (420, 4322006), (455, 3989544), (456, 3980795), (494, 3674580), (507, 3580360), (520, 3490851), (532, 3412110), (546, 3324620), (570, 3184636), (665, 2729688), (673, 2697240), (676, 2685270), (728, 2493465), (741, 2449720), (760, 2388477), (780, 2327234), (798, 2274740), (840, 2161003), (845, 2148216), (910, 1994772), (988, 1837290), (1014, 1790180), (1064, 1706055), (1092, 1662310), (1140, 1592318), (1183, 1534440), (1235, 1469832), (1330, 1364844), (1346, 1348620), (1352, 1342635), (1365, 1329848), (1482, 1224860), (1560, 1163617), (1596, 1137370), (1690, 1074108), (1729, 1049880), (1820, 997386), (1976, 918645), (1995, 909896), (2019, 899080), (2028, 895090), (2184, 831155), (2280, 796159), (2366, 767220), (2470, 734916), (2535, 716072), (2660, 682422), (2692, 674310), (2730, 664924), (2964, 612430), (3192, 568685), (3211, 565320), (3365, 539448), (3380, 537054), (3458, 524940), (3549, 511480), (3640, 498693), (3705, 489944), (3990, 454948), (4038, 449540), (4056, 447545), (4711, 385320), (4732, 383610), (4940, 367458), (5070, 358036), (5187, 349960), (5320, 341211), (5384, 337155), (5460, 332462), (5915, 306888), (5928, 306215), (6422, 282660), (6730, 269724), (6760, 268527), (6916, 262470), (7098, 255740), (7410, 244972), (7980, 227474), (8076, 224770), (8645, 209976), (8749, 207480), (9422, 192660), (9464, 191805), (9633, 188440), (9880, 183729), (10095, 179816), (10140, 179018), (10374, 174980), (10920, 166231), (11830, 153444), (12787, 141960), (12844, 141330), (13460, 134862), (13832, 131235), (14133, 128440), (14196, 127870), (14820, 122486), (15960, 113737), (16055, 113064), (16152, 112385), (17290, 104988), (17498, 103740), (17745, 102296), (18844, 96330), (19266, 94220), (20190, 89908), (20280, 89509), (20748, 87490), (22477, 80760), (23555, 77064), (23660, 76722), (25574, 70980), (25688, 70665), (25935, 69992), (26247, 69160), (26920, 67431), (28266, 64220), (28392, 63935), (29640, 61243), (32110, 56532), (34580, 52494), (34996, 51870), (35490, 51148), (37688, 48165), (38361, 47320), (38532, 47110), (40380, 44954), (41496, 43745)]