31031840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 84913920

約数和(自身を除く): 53882080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 103, 112, 140, 160, 206, 224, 269, 280, 412, 515, 538, 560, 721, 824, 1030, 1076, 1120, 1345, 1442, 1648, 1883, 2060, 2152, 2690, 2884, 3296, 3605, 3766, 4120, 4304, 5380, 5768, 7210, 7532, 8240, 8608, 9415, 10760, 11536, 14420, 15064, 16480, 18830, 21520, 23072, 27707, 28840, 30128, 37660, 43040, 55414, 57680, 60256, 75320, 110828, 115360, 138535, 150640, 193949, 221656, 277070, 301280, 387898, 443312, 554140, 775796, 886624, 969745, 1108280, 1551592, 1939490, 2216560, 3103184, 3878980, 4433120, 6206368, 7757960, 15515920, 31031840]

約数ペア:

[(1, 31031840), (2, 15515920), (4, 7757960), (5, 6206368), (7, 4433120), (8, 3878980), (10, 3103184), (14, 2216560), (16, 1939490), (20, 1551592), (28, 1108280), (32, 969745), (35, 886624), (40, 775796), (56, 554140), (70, 443312), (80, 387898), (103, 301280), (112, 277070), (140, 221656), (160, 193949), (206, 150640), (224, 138535), (269, 115360), (280, 110828), (412, 75320), (515, 60256), (538, 57680), (560, 55414), (721, 43040), (824, 37660), (1030, 30128), (1076, 28840), (1120, 27707), (1345, 23072), (1442, 21520), (1648, 18830), (1883, 16480), (2060, 15064), (2152, 14420), (2690, 11536), (2884, 10760), (3296, 9415), (3605, 8608), (3766, 8240), (4120, 7532), (4304, 7210), (5380, 5768)]