31123960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3833}}^1$

素因数の和:3880

約数の個数: 64

約数和(自身を含む): 82814400

約数和(自身を除く): 51690440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 3833, 4060, 7666, 8120, 15332, 19165, 26831, 30664, 38330, 53662, 76660, 107324, 111157, 134155, 153320, 214648, 222314, 268310, 444628, 536620, 555785, 778099, 889256, 1073240, 1111570, 1556198, 2223140, 3112396, 3890495, 4446280, 6224792, 7780990, 15561980, 31123960]

約数ペア:

[(1, 31123960), (2, 15561980), (4, 7780990), (5, 6224792), (7, 4446280), (8, 3890495), (10, 3112396), (14, 2223140), (20, 1556198), (28, 1111570), (29, 1073240), (35, 889256), (40, 778099), (56, 555785), (58, 536620), (70, 444628), (116, 268310), (140, 222314), (145, 214648), (203, 153320), (232, 134155), (280, 111157), (290, 107324), (406, 76660), (580, 53662), (812, 38330), (1015, 30664), (1160, 26831), (1624, 19165), (2030, 15332), (3833, 8120), (4060, 7666)]