72153140

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1583}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 158070528

約数和(自身を除く): 85917388

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 1583, 2279, 3166, 4558, 6332, 7915, 9116, 11395, 15830, 22790, 31660, 45580, 68069, 83899, 136138, 167798, 272276, 335596, 340345, 419495, 680690, 838990, 1361380, 1677980, 3607657, 7215314, 14430628, 18038285, 36076570, 72153140]

約数ペア:

[(1, 72153140), (2, 36076570), (4, 18038285), (5, 14430628), (10, 7215314), (20, 3607657), (43, 1677980), (53, 1361380), (86, 838990), (106, 680690), (172, 419495), (212, 340345), (215, 335596), (265, 272276), (430, 167798), (530, 136138), (860, 83899), (1060, 68069), (1583, 45580), (2279, 31660), (3166, 22790), (4558, 15830), (6332, 11395), (7915, 9116)]