7757960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 20217600

約数和(自身を除く): 12459640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 269, 280, 412, 515, 538, 721, 824, 1030, 1076, 1345, 1442, 1883, 2060, 2152, 2690, 2884, 3605, 3766, 4120, 5380, 5768, 7210, 7532, 9415, 10760, 14420, 15064, 18830, 27707, 28840, 37660, 55414, 75320, 110828, 138535, 193949, 221656, 277070, 387898, 554140, 775796, 969745, 1108280, 1551592, 1939490, 3878980, 7757960]

約数ペア:

[(1, 7757960), (2, 3878980), (4, 1939490), (5, 1551592), (7, 1108280), (8, 969745), (10, 775796), (14, 554140), (20, 387898), (28, 277070), (35, 221656), (40, 193949), (56, 138535), (70, 110828), (103, 75320), (140, 55414), (206, 37660), (269, 28840), (280, 27707), (412, 18830), (515, 15064), (538, 14420), (721, 10760), (824, 9415), (1030, 7532), (1076, 7210), (1345, 5768), (1442, 5380), (1883, 4120), (2060, 3766), (2152, 3605), (2690, 2884)]