123400640

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{3187}}^1$

素因数の和:3226

約数の個数: 84

約数和(自身を含む): 323091048

約数和(自身を除く): 199690408

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 121, 160, 176, 220, 242, 320, 352, 440, 484, 605, 704, 880, 968, 1210, 1760, 1936, 2420, 3187, 3520, 3872, 4840, 6374, 7744, 9680, 12748, 15935, 19360, 25496, 31870, 35057, 38720, 50992, 63740, 70114, 101984, 127480, 140228, 175285, 203968, 254960, 280456, 350570, 385627, 509920, 560912, 701140, 771254, 1019840, 1121824, 1402280, 1542508, 1928135, 2243648, 2804560, 3085016, 3856270, 5609120, 6170032, 7712540, 11218240, 12340064, 15425080, 24680128, 30850160, 61700320, 123400640]

約数ペア:

[(1, 123400640), (2, 61700320), (4, 30850160), (5, 24680128), (8, 15425080), (10, 12340064), (11, 11218240), (16, 7712540), (20, 6170032), (22, 5609120), (32, 3856270), (40, 3085016), (44, 2804560), (55, 2243648), (64, 1928135), (80, 1542508), (88, 1402280), (110, 1121824), (121, 1019840), (160, 771254), (176, 701140), (220, 560912), (242, 509920), (320, 385627), (352, 350570), (440, 280456), (484, 254960), (605, 203968), (704, 175285), (880, 140228), (968, 127480), (1210, 101984), (1760, 70114), (1936, 63740), (2420, 50992), (3187, 38720), (3520, 35057), (3872, 31870), (4840, 25496), (6374, 19360), (7744, 15935), (9680, 12748)]