71890720

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{40847}}^1$

素因数の和:40873

約数の個数: 48

約数和(自身を含む): 185286528

約数和(自身を除く): 113395808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 160, 176, 220, 352, 440, 880, 1760, 40847, 81694, 163388, 204235, 326776, 408470, 449317, 653552, 816940, 898634, 1307104, 1633880, 1797268, 2246585, 3267760, 3594536, 4493170, 6535520, 7189072, 8986340, 14378144, 17972680, 35945360, 71890720]

約数ペア:

[(1, 71890720), (2, 35945360), (4, 17972680), (5, 14378144), (8, 8986340), (10, 7189072), (11, 6535520), (16, 4493170), (20, 3594536), (22, 3267760), (32, 2246585), (40, 1797268), (44, 1633880), (55, 1307104), (80, 898634), (88, 816940), (110, 653552), (160, 449317), (176, 408470), (220, 326776), (352, 204235), (440, 163388), (880, 81694), (1760, 40847)]