164693600

素因数分解:

$2^5\times 5^2\times {\mathrm{127}}^1\times {\mathrm{1621}}^1$

素因数の和:1768

約数の個数: 72

約数和(自身を含む): 405474048

約数和(自身を除く): 240780448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 127, 160, 200, 254, 400, 508, 635, 800, 1016, 1270, 1621, 2032, 2540, 3175, 3242, 4064, 5080, 6350, 6484, 8105, 10160, 12700, 12968, 16210, 20320, 25400, 25936, 32420, 40525, 50800, 51872, 64840, 81050, 101600, 129680, 162100, 205867, 259360, 324200, 411734, 648400, 823468, 1029335, 1296800, 1646936, 2058670, 3293872, 4117340, 5146675, 6587744, 8234680, 10293350, 16469360, 20586700, 32938720, 41173400, 82346800, 164693600]

約数ペア:

[(1, 164693600), (2, 82346800), (4, 41173400), (5, 32938720), (8, 20586700), (10, 16469360), (16, 10293350), (20, 8234680), (25, 6587744), (32, 5146675), (40, 4117340), (50, 3293872), (80, 2058670), (100, 1646936), (127, 1296800), (160, 1029335), (200, 823468), (254, 648400), (400, 411734), (508, 324200), (635, 259360), (800, 205867), (1016, 162100), (1270, 129680), (1621, 101600), (2032, 81050), (2540, 64840), (3175, 51872), (3242, 50800), (4064, 40525), (5080, 32420), (6350, 25936), (6484, 25400), (8105, 20320), (10160, 16210), (12700, 12968)]