71549240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8243}}^1$

素因数の和:8292

約数の個数: 64

約数和(自身を含む): 189941760

約数和(自身を除く): 118392520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 8243, 8680, 16486, 32972, 41215, 57701, 65944, 82430, 115402, 164860, 230804, 255533, 288505, 329720, 461608, 511066, 577010, 1022132, 1154020, 1277665, 1788731, 2044264, 2308040, 2555330, 3577462, 5110660, 7154924, 8943655, 10221320, 14309848, 17887310, 35774620, 71549240]

約数ペア:

[(1, 71549240), (2, 35774620), (4, 17887310), (5, 14309848), (7, 10221320), (8, 8943655), (10, 7154924), (14, 5110660), (20, 3577462), (28, 2555330), (31, 2308040), (35, 2044264), (40, 1788731), (56, 1277665), (62, 1154020), (70, 1022132), (124, 577010), (140, 511066), (155, 461608), (217, 329720), (248, 288505), (280, 255533), (310, 230804), (434, 164860), (620, 115402), (868, 82430), (1085, 65944), (1240, 57701), (1736, 41215), (2170, 32972), (4340, 16486), (8243, 8680)]