8004540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1879}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 22740480

約数和(自身を除く): 14735940

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 1879, 2130, 3758, 4260, 5637, 7516, 9395, 11274, 18790, 22548, 28185, 37580, 56370, 112740, 133409, 266818, 400227, 533636, 667045, 800454, 1334090, 1600908, 2001135, 2668180, 4002270, 8004540]

約数ペア:

[(1, 8004540), (2, 4002270), (3, 2668180), (4, 2001135), (5, 1600908), (6, 1334090), (10, 800454), (12, 667045), (15, 533636), (20, 400227), (30, 266818), (60, 133409), (71, 112740), (142, 56370), (213, 37580), (284, 28185), (355, 22548), (426, 18790), (710, 11274), (852, 9395), (1065, 7516), (1420, 5637), (1879, 4260), (2130, 3758)]