1557840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{6491}}^1$

素因数の和:6507

約数の個数: 40

約数和(自身を含む): 4830048

約数和(自身を除く): 3272208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 6491, 12982, 19473, 25964, 32455, 38946, 51928, 64910, 77892, 97365, 103856, 129820, 155784, 194730, 259640, 311568, 389460, 519280, 778920, 1557840]

約数ペア:

[(1, 1557840), (2, 778920), (3, 519280), (4, 389460), (5, 311568), (6, 259640), (8, 194730), (10, 155784), (12, 129820), (15, 103856), (16, 97365), (20, 77892), (24, 64910), (30, 51928), (40, 38946), (48, 32455), (60, 25964), (80, 19473), (120, 12982), (240, 6491)]