815174920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{100391}}^1$

素因数の和:100438

約数の個数: 64

約数和(自身を含む): 2168467200

約数和(自身を除く): 1353292280

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, 4060, 8120, 100391, 200782, 401564, 501955, 702737, 803128, 1003910, 1405474, 2007820, 2810948, 2911339, 3513685, 4015640, 5621896, 5822678, 7027370, 11645356, 14054740, 14556695, 20379373, 23290712, 28109480, 29113390, 40758746, 58226780, 81517492, 101896865, 116453560, 163034984, 203793730, 407587460, 815174920]

約数ペア:

[(1, 815174920), (2, 407587460), (4, 203793730), (5, 163034984), (7, 116453560), (8, 101896865), (10, 81517492), (14, 58226780), (20, 40758746), (28, 29113390), (29, 28109480), (35, 23290712), (40, 20379373), (56, 14556695), (58, 14054740), (70, 11645356), (116, 7027370), (140, 5822678), (145, 5621896), (203, 4015640), (232, 3513685), (280, 2911339), (290, 2810948), (406, 2007820), (580, 1405474), (812, 1003910), (1015, 803128), (1160, 702737), (1624, 501955), (2030, 401564), (4060, 200782), (8120, 100391)]