64758820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{7583}}^1$

素因数の和:7660

約数の個数: 48

約数和(自身を含む): 157989888

約数和(自身を除く): 93231068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 4270, 7583, 8540, 15166, 30332, 37915, 53081, 75830, 106162, 151660, 212324, 265405, 462563, 530810, 925126, 1061620, 1850252, 2312815, 3237941, 4625630, 6475882, 9251260, 12951764, 16189705, 32379410, 64758820]

約数ペア:

[(1, 64758820), (2, 32379410), (4, 16189705), (5, 12951764), (7, 9251260), (10, 6475882), (14, 4625630), (20, 3237941), (28, 2312815), (35, 1850252), (61, 1061620), (70, 925126), (122, 530810), (140, 462563), (244, 265405), (305, 212324), (427, 151660), (610, 106162), (854, 75830), (1220, 53081), (1708, 37915), (2135, 30332), (4270, 15166), (7583, 8540)]