64993720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{8689}}^1$

素因数の和:8728

約数の個数: 64

約数和(自身を含む): 168933600

約数和(自身を除く): 103939880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 136, 170, 187, 220, 340, 374, 440, 680, 748, 935, 1496, 1870, 3740, 7480, 8689, 17378, 34756, 43445, 69512, 86890, 95579, 147713, 173780, 191158, 295426, 347560, 382316, 477895, 590852, 738565, 764632, 955790, 1181704, 1477130, 1624843, 1911580, 2954260, 3249686, 3823160, 5908520, 6499372, 8124215, 12998744, 16248430, 32496860, 64993720]

約数ペア:

[(1, 64993720), (2, 32496860), (4, 16248430), (5, 12998744), (8, 8124215), (10, 6499372), (11, 5908520), (17, 3823160), (20, 3249686), (22, 2954260), (34, 1911580), (40, 1624843), (44, 1477130), (55, 1181704), (68, 955790), (85, 764632), (88, 738565), (110, 590852), (136, 477895), (170, 382316), (187, 347560), (220, 295426), (340, 191158), (374, 173780), (440, 147713), (680, 95579), (748, 86890), (935, 69512), (1496, 43445), (1870, 34756), (3740, 17378), (7480, 8689)]