2456440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1$

素因数の和:332

約数の個数: 64

約数和(自身を含む): 6543360

約数和(自身を除く): 4086920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 283, 310, 434, 566, 620, 868, 1085, 1132, 1240, 1415, 1736, 1981, 2170, 2264, 2830, 3962, 4340, 5660, 7924, 8680, 8773, 9905, 11320, 15848, 17546, 19810, 35092, 39620, 43865, 61411, 70184, 79240, 87730, 122822, 175460, 245644, 307055, 350920, 491288, 614110, 1228220, 2456440]

約数ペア:

[(1, 2456440), (2, 1228220), (4, 614110), (5, 491288), (7, 350920), (8, 307055), (10, 245644), (14, 175460), (20, 122822), (28, 87730), (31, 79240), (35, 70184), (40, 61411), (56, 43865), (62, 39620), (70, 35092), (124, 19810), (140, 17546), (155, 15848), (217, 11320), (248, 9905), (280, 8773), (283, 8680), (310, 7924), (434, 5660), (566, 4340), (620, 3962), (868, 2830), (1085, 2264), (1132, 2170), (1240, 1981), (1415, 1736)]