127603960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{3671}}^1$

素因数の和:3772

約数の個数: 64

約数和(自身を含む): 317260800

約数和(自身を除く): 189656840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 79, 88, 110, 158, 220, 316, 395, 440, 632, 790, 869, 1580, 1738, 3160, 3476, 3671, 4345, 6952, 7342, 8690, 14684, 17380, 18355, 29368, 34760, 36710, 40381, 73420, 80762, 146840, 161524, 201905, 290009, 323048, 403810, 580018, 807620, 1160036, 1450045, 1615240, 2320072, 2900090, 3190099, 5800180, 6380198, 11600360, 12760396, 15950495, 25520792, 31900990, 63801980, 127603960]

約数ペア:

[(1, 127603960), (2, 63801980), (4, 31900990), (5, 25520792), (8, 15950495), (10, 12760396), (11, 11600360), (20, 6380198), (22, 5800180), (40, 3190099), (44, 2900090), (55, 2320072), (79, 1615240), (88, 1450045), (110, 1160036), (158, 807620), (220, 580018), (316, 403810), (395, 323048), (440, 290009), (632, 201905), (790, 161524), (869, 146840), (1580, 80762), (1738, 73420), (3160, 40381), (3476, 36710), (3671, 34760), (4345, 29368), (6952, 18355), (7342, 17380), (8690, 14684)]