2578878840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1\times {\mathrm{1181}}^1$

素因数の和:1813

約数の個数: 128

約数和(自身を含む): 8006584320

約数和(自身を除く): 5427705480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 587, 620, 744, 930, 1174, 1181, 1240, 1761, 1860, 2348, 2362, 2935, 3522, 3543, 3720, 4696, 4724, 5870, 5905, 7044, 7086, 8805, 9448, 11740, 11810, 14088, 14172, 17610, 17715, 18197, 23480, 23620, 28344, 35220, 35430, 36394, 36611, 47240, 54591, 70440, 70860, 72788, 73222, 90985, 109182, 109833, 141720, 145576, 146444, 181970, 183055, 218364, 219666, 272955, 292888, 363940, 366110, 436728, 439332, 545910, 549165, 693247, 727880, 732220, 878664, 1091820, 1098330, 1386494, 1464440, 2079741, 2183640, 2196660, 2772988, 3466235, 4159482, 4393320, 5545976, 6932470, 8318964, 10398705, 13864940, 16637928, 20797410, 21490657, 27729880, 41594820, 42981314, 64471971, 83189640, 85962628, 107453285, 128943942, 171925256, 214906570, 257887884, 322359855, 429813140, 515775768, 644719710, 859626280, 1289439420, 2578878840]

約数ペア:

[(1, 2578878840), (2, 1289439420), (3, 859626280), (4, 644719710), (5, 515775768), (6, 429813140), (8, 322359855), (10, 257887884), (12, 214906570), (15, 171925256), (20, 128943942), (24, 107453285), (30, 85962628), (31, 83189640), (40, 64471971), (60, 42981314), (62, 41594820), (93, 27729880), (120, 21490657), (124, 20797410), (155, 16637928), (186, 13864940), (248, 10398705), (310, 8318964), (372, 6932470), (465, 5545976), (587, 4393320), (620, 4159482), (744, 3466235), (930, 2772988), (1174, 2196660), (1181, 2183640), (1240, 2079741), (1761, 1464440), (1860, 1386494), (2348, 1098330), (2362, 1091820), (2935, 878664), (3522, 732220), (3543, 727880), (3720, 693247), (4696, 549165), (4724, 545910), (5870, 439332), (5905, 436728), (7044, 366110), (7086, 363940), (8805, 292888), (9448, 272955), (11740, 219666), (11810, 218364), (14088, 183055), (14172, 181970), (17610, 146444), (17715, 145576), (18197, 141720), (23480, 109833), (23620, 109182), (28344, 90985), (35220, 73222), (35430, 72788), (36394, 70860), (36611, 70440), (47240, 54591)]