18131362428480

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{443}}^1\times {\mathrm{1019}}^1$

素因数の和:1671

約数の個数: 896

約数和(自身を含む): 68025039667200

約数和(自身を除く): 49893677238720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 43, 48, 56, 60, 64, 70, 80, 84, 86, 96, 105, 112, 120, 129, 139, 140, 160, 168, 172, 192, 210, 215, 224, 240, 258, 278, 280, 301, 320, 336, 344, 417, 420, 430, 443, 448, 480, 516, 556, 560, 602, 645, 672, 688, 695, 834, 840, 860, 886, 903, 960, 973, 1019, 1032, 1112, 1120, 1204, 1290, 1329, 1344, 1376, 1390, 1505, 1668, 1680, 1720, 1772, 1806, 1946, 2038, 2064, 2085, 2215, 2224, 2240, 2408, 2580, 2658, 2752, 2780, 2919, 3010, 3057, 3101, 3336, 3360, 3440, 3544, 3612, 3892, 4076, 4128, 4170, 4430, 4448, 4515, 4816, 4865, 5095, 5160, 5316, 5560, 5838, 5977, 6020, 6114, 6202, 6645, 6672, 6720, 6880, 7088, 7133, 7224, 7784, 8152, 8256, 8340, 8860, 8896, 9030, 9303, 9632, 9730, 10190, 10320, 10632, 11120, 11676, 11954, 12040, 12228, 12404, 13290, 13344, 13760, 14176, 14266, 14448, 14595, 15285, 15505, 15568, 16304, 16680, 17720, 17931, 18060, 18606, 19049, 19264, 19460, 20380, 20640, 21264, 21399, 22240, 23352, 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約数ペア:

[(1, 18131362428480), (2, 9065681214240), (3, 6043787476160), (4, 4532840607120), (5, 3626272485696), (6, 3021893738080), (7, 2590194632640), (8, 2266420303560), (10, 1813136242848), (12, 1510946869040), (14, 1295097316320), (15, 1208757495232), (16, 1133210151780), (20, 906568121424), (21, 863398210880), (24, 755473434520), (28, 647548658160), (30, 604378747616), (32, 566605075890), (35, 518038926528), (40, 453284060712), (42, 431699105440), (43, 421659591360), (48, 377736717260), (56, 323774329080), (60, 302189373808), (64, 283302537945), (70, 259019463264), (80, 226642030356), (84, 215849552720), (86, 210829795680), (96, 188868358630), (105, 172679642176), (112, 161887164540), (120, 151094686904), (129, 140553197120), (139, 130441456320), (140, 129509731632), (160, 113321015178), (168, 107924776360), (172, 105414897840), (192, 94434179315), (210, 86339821088), (215, 84331918272), (224, 80943582270), (240, 75547343452), (258, 70276598560), (278, 65220728160), (280, 64754865816), 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