70782920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4391}}^1$

素因数の和:4446

約数の個数: 64

約数和(自身を含む): 177085440

約数和(自身を除く): 106302520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 4391, 8060, 8782, 16120, 17564, 21955, 35128, 43910, 57083, 87820, 114166, 136121, 175640, 228332, 272242, 285415, 456664, 544484, 570830, 680605, 1088968, 1141660, 1361210, 1769573, 2283320, 2722420, 3539146, 5444840, 7078292, 8847865, 14156584, 17695730, 35391460, 70782920]

約数ペア:

[(1, 70782920), (2, 35391460), (4, 17695730), (5, 14156584), (8, 8847865), (10, 7078292), (13, 5444840), (20, 3539146), (26, 2722420), (31, 2283320), (40, 1769573), (52, 1361210), (62, 1141660), (65, 1088968), (104, 680605), (124, 570830), (130, 544484), (155, 456664), (248, 285415), (260, 272242), (310, 228332), (403, 175640), (520, 136121), (620, 114166), (806, 87820), (1240, 57083), (1612, 43910), (2015, 35128), (3224, 21955), (4030, 17564), (4391, 16120), (8060, 8782)]