72615020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{677}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 158554368

約数和(自身を除く): 85939348

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 173, 310, 346, 620, 677, 692, 865, 1354, 1730, 2708, 3385, 3460, 5363, 6770, 10726, 13540, 20987, 21452, 26815, 41974, 53630, 83948, 104935, 107260, 117121, 209870, 234242, 419740, 468484, 585605, 1171210, 2342420, 3630751, 7261502, 14523004, 18153755, 36307510, 72615020]

約数ペア:

[(1, 72615020), (2, 36307510), (4, 18153755), (5, 14523004), (10, 7261502), (20, 3630751), (31, 2342420), (62, 1171210), (124, 585605), (155, 468484), (173, 419740), (310, 234242), (346, 209870), (620, 117121), (677, 107260), (692, 104935), (865, 83948), (1354, 53630), (1730, 41974), (2708, 26815), (3385, 21452), (3460, 20987), (5363, 13540), (6770, 10726)]