128477830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:745

約数の個数: 64

約数和(自身を含む): 262906560

約数和(自身を除く): 134428730

約数列:

[1, 2, 5, 10, 13, 26, 29, 53, 58, 65, 106, 130, 145, 265, 290, 377, 530, 643, 689, 754, 1286, 1378, 1537, 1885, 3074, 3215, 3445, 3770, 6430, 6890, 7685, 8359, 15370, 16718, 18647, 19981, 34079, 37294, 39962, 41795, 68158, 83590, 93235, 99905, 170395, 186470, 199810, 242411, 340790, 443027, 484822, 886054, 988291, 1212055, 1976582, 2215135, 2424110, 4430270, 4941455, 9882910, 12847783, 25695566, 64238915, 128477830]

約数ペア:

[(1, 128477830), (2, 64238915), (5, 25695566), (10, 12847783), (13, 9882910), (26, 4941455), (29, 4430270), (53, 2424110), (58, 2215135), (65, 1976582), (106, 1212055), (130, 988291), (145, 886054), (265, 484822), (290, 443027), (377, 340790), (530, 242411), (643, 199810), (689, 186470), (754, 170395), (1286, 99905), (1378, 93235), (1537, 83590), (1885, 68158), (3074, 41795), (3215, 39962), (3445, 37294), (3770, 34079), (6430, 19981), (6890, 18647), (7685, 16718), (8359, 15370)]