1648659880

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{109}}^1\times {\mathrm{7717}}^1$

素因数の和:7851

約数の個数: 96

約数和(自身を含む): 4355267400

約数和(自身を除く): 2706607520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 109, 140, 196, 218, 245, 280, 392, 436, 490, 545, 763, 872, 980, 1090, 1526, 1960, 2180, 3052, 3815, 4360, 5341, 6104, 7630, 7717, 10682, 15260, 15434, 21364, 26705, 30520, 30868, 38585, 42728, 53410, 54019, 61736, 77170, 106820, 108038, 154340, 213640, 216076, 270095, 308680, 378133, 432152, 540190, 756266, 841153, 1080380, 1512532, 1682306, 1890665, 2160760, 3025064, 3364612, 3781330, 4205765, 5888071, 6729224, 7562660, 8411530, 11776142, 15125320, 16823060, 23552284, 29440355, 33646120, 41216497, 47104568, 58880710, 82432994, 117761420, 164865988, 206082485, 235522840, 329731976, 412164970, 824329940, 1648659880]

約数ペア:

[(1, 1648659880), (2, 824329940), (4, 412164970), (5, 329731976), (7, 235522840), (8, 206082485), (10, 164865988), (14, 117761420), (20, 82432994), (28, 58880710), (35, 47104568), (40, 41216497), (49, 33646120), (56, 29440355), (70, 23552284), (98, 16823060), (109, 15125320), (140, 11776142), (196, 8411530), (218, 7562660), (245, 6729224), (280, 5888071), (392, 4205765), (436, 3781330), (490, 3364612), (545, 3025064), (763, 2160760), (872, 1890665), (980, 1682306), (1090, 1512532), (1526, 1080380), (1960, 841153), (2180, 756266), (3052, 540190), (3815, 432152), (4360, 378133), (5341, 308680), (6104, 270095), (7630, 216076), (7717, 213640), (10682, 154340), (15260, 108038), (15434, 106820), (21364, 77170), (26705, 61736), (30520, 54019), (30868, 53410), (38585, 42728)]