31492120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3767}}^1$

素因数の和:3808

約数の個数: 64

約数和(自身を含む): 81388800

約数和(自身を除く): 49896680

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 3767, 4180, 7534, 8360, 15068, 18835, 30136, 37670, 41437, 71573, 75340, 82874, 143146, 150680, 165748, 207185, 286292, 331496, 357865, 414370, 572584, 715730, 787303, 828740, 1431460, 1574606, 1657480, 2862920, 3149212, 3936515, 6298424, 7873030, 15746060, 31492120]

約数ペア:

[(1, 31492120), (2, 15746060), (4, 7873030), (5, 6298424), (8, 3936515), (10, 3149212), (11, 2862920), (19, 1657480), (20, 1574606), (22, 1431460), (38, 828740), (40, 787303), (44, 715730), (55, 572584), (76, 414370), (88, 357865), (95, 331496), (110, 286292), (152, 207185), (190, 165748), (209, 150680), (220, 143146), (380, 82874), (418, 75340), (440, 71573), (760, 41437), (836, 37670), (1045, 30136), (1672, 18835), (2090, 15068), (3767, 8360), (4180, 7534)]