72711080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2087}}^1$

素因数の和:2178

約数の個数: 64

約数和(自身を含む): 178899840

約数和(自身を除く): 106188760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2087, 2680, 3484, 4174, 4355, 6968, 8348, 8710, 10435, 16696, 17420, 20870, 27131, 34840, 41740, 54262, 83480, 108524, 135655, 139829, 217048, 271310, 279658, 542620, 559316, 699145, 1085240, 1118632, 1398290, 1817777, 2796580, 3635554, 5593160, 7271108, 9088885, 14542216, 18177770, 36355540, 72711080]

約数ペア:

[(1, 72711080), (2, 36355540), (4, 18177770), (5, 14542216), (8, 9088885), (10, 7271108), (13, 5593160), (20, 3635554), (26, 2796580), (40, 1817777), (52, 1398290), (65, 1118632), (67, 1085240), (104, 699145), (130, 559316), (134, 542620), (260, 279658), (268, 271310), (335, 217048), (520, 139829), (536, 135655), (670, 108524), (871, 83480), (1340, 54262), (1742, 41740), (2087, 34840), (2680, 27131), (3484, 20870), (4174, 17420), (4355, 16696), (6968, 10435), (8348, 8710)]