77485240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{2179}}^1$

素因数の和:2324

約数の個数: 64

約数和(自身を含む): 200908800

約数和(自身を除く): 123423560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 508, 635, 889, 1016, 1270, 1778, 2179, 2540, 3556, 4358, 4445, 5080, 7112, 8716, 8890, 10895, 15253, 17432, 17780, 21790, 30506, 35560, 43580, 61012, 76265, 87160, 122024, 152530, 276733, 305060, 553466, 610120, 1106932, 1383665, 1937131, 2213864, 2767330, 3874262, 5534660, 7748524, 9685655, 11069320, 15497048, 19371310, 38742620, 77485240]

約数ペア:

[(1, 77485240), (2, 38742620), (4, 19371310), (5, 15497048), (7, 11069320), (8, 9685655), (10, 7748524), (14, 5534660), (20, 3874262), (28, 2767330), (35, 2213864), (40, 1937131), (56, 1383665), (70, 1106932), (127, 610120), (140, 553466), (254, 305060), (280, 276733), (508, 152530), (635, 122024), (889, 87160), (1016, 76265), (1270, 61012), (1778, 43580), (2179, 35560), (2540, 30506), (3556, 21790), (4358, 17780), (4445, 17432), (5080, 15253), (7112, 10895), (8716, 8890)]