161266280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{10867}}^1$

素因数の和:10938

約数の個数: 64

約数和(自身を含む): 422547840

約数和(自身を除く): 261281560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 53, 56, 70, 106, 140, 212, 265, 280, 371, 424, 530, 742, 1060, 1484, 1855, 2120, 2968, 3710, 7420, 10867, 14840, 21734, 43468, 54335, 76069, 86936, 108670, 152138, 217340, 304276, 380345, 434680, 575951, 608552, 760690, 1151902, 1521380, 2303804, 2879755, 3042760, 4031657, 4607608, 5759510, 8063314, 11519020, 16126628, 20158285, 23038040, 32253256, 40316570, 80633140, 161266280]

約数ペア:

[(1, 161266280), (2, 80633140), (4, 40316570), (5, 32253256), (7, 23038040), (8, 20158285), (10, 16126628), (14, 11519020), (20, 8063314), (28, 5759510), (35, 4607608), (40, 4031657), (53, 3042760), (56, 2879755), (70, 2303804), (106, 1521380), (140, 1151902), (212, 760690), (265, 608552), (280, 575951), (371, 434680), (424, 380345), (530, 304276), (742, 217340), (1060, 152138), (1484, 108670), (1855, 86936), (2120, 76069), (2968, 54335), (3710, 43468), (7420, 21734), (10867, 14840)]