163157840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{7057}}^1$

素因数の和:7104

約数の個数: 60

約数和(自身を含む): 403025916

約数和(自身を除く): 239868076

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 2312, 2890, 4624, 5780, 7057, 11560, 14114, 23120, 28228, 35285, 56456, 70570, 112912, 119969, 141140, 239938, 282280, 479876, 564560, 599845, 959752, 1199690, 1919504, 2039473, 2399380, 4078946, 4798760, 8157892, 9597520, 10197365, 16315784, 20394730, 32631568, 40789460, 81578920, 163157840]

約数ペア:

[(1, 163157840), (2, 81578920), (4, 40789460), (5, 32631568), (8, 20394730), (10, 16315784), (16, 10197365), (17, 9597520), (20, 8157892), (34, 4798760), (40, 4078946), (68, 2399380), (80, 2039473), (85, 1919504), (136, 1199690), (170, 959752), (272, 599845), (289, 564560), (340, 479876), (578, 282280), (680, 239938), (1156, 141140), (1360, 119969), (1445, 112912), (2312, 70570), (2890, 56456), (4624, 35285), (5780, 28228), (7057, 23120), (11560, 14114)]