68837560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1549}}^1$

素因数の和:1672

約数の個数: 64

約数和(自身を含む): 170748000

約数和(自身を除く): 101910440

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 202, 220, 404, 440, 505, 808, 1010, 1111, 1549, 2020, 2222, 3098, 4040, 4444, 5555, 6196, 7745, 8888, 11110, 12392, 15490, 17039, 22220, 30980, 34078, 44440, 61960, 68156, 85195, 136312, 156449, 170390, 312898, 340780, 625796, 681560, 782245, 1251592, 1564490, 1720939, 3128980, 3441878, 6257960, 6883756, 8604695, 13767512, 17209390, 34418780, 68837560]

約数ペア:

[(1, 68837560), (2, 34418780), (4, 17209390), (5, 13767512), (8, 8604695), (10, 6883756), (11, 6257960), (20, 3441878), (22, 3128980), (40, 1720939), (44, 1564490), (55, 1251592), (88, 782245), (101, 681560), (110, 625796), (202, 340780), (220, 312898), (404, 170390), (440, 156449), (505, 136312), (808, 85195), (1010, 68156), (1111, 61960), (1549, 44440), (2020, 34078), (2222, 30980), (3098, 22220), (4040, 17039), (4444, 15490), (5555, 12392), (6196, 11110), (7745, 8888)]