20782676880

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4123547}}^1$

素因数の和:4123573

約数の個数: 120

約数和(自身を含む): 79765912512

約数和(自身を除く): 58983235632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 4123547, 8247094, 12370641, 16494188, 20617735, 24741282, 28864829, 32988376, 37111923, 41235470, 49482564, 57729658, 61853205, 65976752, 74223846, 82470940, 86594487, 98965128, 115459316, 123706410, 144324145, 148447692, 164941880, 173188974, 185559615, 197930256, 230918632, 247412820, 259783461, 288648290, 296895384, 329883760, 346377948, 371119230, 432972435, 461837264, 494825640, 519566922, 577296580, 593790768, 692755896, 742238460, 865944870, 989651280, 1039133844, 1154593160, 1298917305, 1385511792, 1484476920, 1731889740, 2078267688, 2309186320, 2597834610, 2968953840, 3463779480, 4156535376, 5195669220, 6927558960, 10391338440, 20782676880]

約数ペア:

[(1, 20782676880), (2, 10391338440), (3, 6927558960), (4, 5195669220), (5, 4156535376), (6, 3463779480), (7, 2968953840), (8, 2597834610), (9, 2309186320), (10, 2078267688), (12, 1731889740), (14, 1484476920), (15, 1385511792), (16, 1298917305), (18, 1154593160), (20, 1039133844), (21, 989651280), (24, 865944870), (28, 742238460), (30, 692755896), (35, 593790768), (36, 577296580), (40, 519566922), (42, 494825640), (45, 461837264), (48, 432972435), (56, 371119230), (60, 346377948), (63, 329883760), (70, 296895384), (72, 288648290), (80, 259783461), (84, 247412820), (90, 230918632), (105, 197930256), (112, 185559615), (120, 173188974), (126, 164941880), (140, 148447692), (144, 144324145), (168, 123706410), (180, 115459316), (210, 98965128), (240, 86594487), (252, 82470940), (280, 74223846), (315, 65976752), (336, 61853205), (360, 57729658), (420, 49482564), (504, 41235470), (560, 37111923), (630, 32988376), (720, 28864829), (840, 24741282), (1008, 20617735), (1260, 16494188), (1680, 12370641), (2520, 8247094), (5040, 4123547)]