171031640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{7649}}^1$

素因数の和:7716

約数の個数: 64

約数和(自身を含む): 424116000

約数和(自身を除く): 253084360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 215, 260, 344, 430, 520, 559, 860, 1118, 1720, 2236, 2795, 4472, 5590, 7649, 11180, 15298, 22360, 30596, 38245, 61192, 76490, 99437, 152980, 198874, 305960, 328907, 397748, 497185, 657814, 795496, 994370, 1315628, 1644535, 1988740, 2631256, 3289070, 3977480, 4275791, 6578140, 8551582, 13156280, 17103164, 21378955, 34206328, 42757910, 85515820, 171031640]

約数ペア:

[(1, 171031640), (2, 85515820), (4, 42757910), (5, 34206328), (8, 21378955), (10, 17103164), (13, 13156280), (20, 8551582), (26, 6578140), (40, 4275791), (43, 3977480), (52, 3289070), (65, 2631256), (86, 1988740), (104, 1644535), (130, 1315628), (172, 994370), (215, 795496), (260, 657814), (344, 497185), (430, 397748), (520, 328907), (559, 305960), (860, 198874), (1118, 152980), (1720, 99437), (2236, 76490), (2795, 61192), (4472, 38245), (5590, 30596), (7649, 22360), (11180, 15298)]