31262660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 96

約数和(自身を含む): 81793152

約数和(自身を除く): 50530492

約数列:

[1, 2, 4, 5, 10, 11, 13, 17, 20, 22, 26, 34, 44, 52, 55, 65, 68, 85, 110, 130, 143, 170, 187, 220, 221, 260, 286, 340, 374, 442, 572, 643, 715, 748, 884, 935, 1105, 1286, 1430, 1870, 2210, 2431, 2572, 2860, 3215, 3740, 4420, 4862, 6430, 7073, 8359, 9724, 10931, 12155, 12860, 14146, 16718, 21862, 24310, 28292, 33436, 35365, 41795, 43724, 48620, 54655, 70730, 83590, 91949, 109310, 120241, 141460, 142103, 167180, 183898, 218620, 240482, 284206, 367796, 459745, 480964, 568412, 601205, 710515, 919490, 1202410, 1421030, 1563133, 1838980, 2404820, 2842060, 3126266, 6252532, 7815665, 15631330, 31262660]

約数ペア:

[(1, 31262660), (2, 15631330), (4, 7815665), (5, 6252532), (10, 3126266), (11, 2842060), (13, 2404820), (17, 1838980), (20, 1563133), (22, 1421030), (26, 1202410), (34, 919490), (44, 710515), (52, 601205), (55, 568412), (65, 480964), (68, 459745), (85, 367796), (110, 284206), (130, 240482), (143, 218620), (170, 183898), (187, 167180), (220, 142103), (221, 141460), (260, 120241), (286, 109310), (340, 91949), (374, 83590), (442, 70730), (572, 54655), (643, 48620), (715, 43724), (748, 41795), (884, 35365), (935, 33436), (1105, 28292), (1286, 24310), (1430, 21862), (1870, 16718), (2210, 14146), (2431, 12860), (2572, 12155), (2860, 10931), (3215, 9724), (3740, 8359), (4420, 7073), (4862, 6430)]