8680740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{971}}^1$

素因数の和:1132

約数の個数: 48

約数和(自身を含む): 24494400

約数和(自身を除く): 15813660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 596, 745, 894, 971, 1490, 1788, 1942, 2235, 2913, 2980, 3884, 4470, 4855, 5826, 8940, 9710, 11652, 14565, 19420, 29130, 58260, 144679, 289358, 434037, 578716, 723395, 868074, 1446790, 1736148, 2170185, 2893580, 4340370, 8680740]

約数ペア:

[(1, 8680740), (2, 4340370), (3, 2893580), (4, 2170185), (5, 1736148), (6, 1446790), (10, 868074), (12, 723395), (15, 578716), (20, 434037), (30, 289358), (60, 144679), (149, 58260), (298, 29130), (447, 19420), (596, 14565), (745, 11652), (894, 9710), (971, 8940), (1490, 5826), (1788, 4855), (1942, 4470), (2235, 3884), (2913, 2980)]