72662260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{7681}}^1$

素因数の和:7744

約数の個数: 48

約数和(自身を含む): 170356032

約数和(自身を除く): 97693772

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1892, 2365, 4730, 7681, 9460, 15362, 30724, 38405, 76810, 84491, 153620, 168982, 330283, 337964, 422455, 660566, 844910, 1321132, 1651415, 1689820, 3302830, 3633113, 6605660, 7266226, 14532452, 18165565, 36331130, 72662260]

約数ペア:

[(1, 72662260), (2, 36331130), (4, 18165565), (5, 14532452), (10, 7266226), (11, 6605660), (20, 3633113), (22, 3302830), (43, 1689820), (44, 1651415), (55, 1321132), (86, 844910), (110, 660566), (172, 422455), (215, 337964), (220, 330283), (430, 168982), (473, 153620), (860, 84491), (946, 76810), (1892, 38405), (2365, 30724), (4730, 15362), (7681, 9460)]