1671640

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^2\times {\mathrm{79}}^1$

素因数の和:136

約数の個数: 48

約数和(自身を含む): 3981600

約数和(自身を除く): 2309960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 79, 92, 115, 158, 184, 230, 316, 395, 460, 529, 632, 790, 920, 1058, 1580, 1817, 2116, 2645, 3160, 3634, 4232, 5290, 7268, 9085, 10580, 14536, 18170, 21160, 36340, 41791, 72680, 83582, 167164, 208955, 334328, 417910, 835820, 1671640]

約数ペア:

[(1, 1671640), (2, 835820), (4, 417910), (5, 334328), (8, 208955), (10, 167164), (20, 83582), (23, 72680), (40, 41791), (46, 36340), (79, 21160), (92, 18170), (115, 14536), (158, 10580), (184, 9085), (230, 7268), (316, 5290), (395, 4232), (460, 3634), (529, 3160), (632, 2645), (790, 2116), (920, 1817), (1058, 1580)]