7765520

素因数分解:

$2^4\times 5^1\times 7^3\times {\mathrm{283}}^1$

素因数の和:317

約数の個数: 80

約数和(自身を含む): 21129600

約数和(自身を除く): 13364080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 283, 343, 392, 490, 560, 566, 686, 784, 980, 1132, 1372, 1415, 1715, 1960, 1981, 2264, 2744, 2830, 3430, 3920, 3962, 4528, 5488, 5660, 6860, 7924, 9905, 11320, 13720, 13867, 15848, 19810, 22640, 27440, 27734, 31696, 39620, 55468, 69335, 79240, 97069, 110936, 138670, 158480, 194138, 221872, 277340, 388276, 485345, 554680, 776552, 970690, 1109360, 1553104, 1941380, 3882760, 7765520]

約数ペア:

[(1, 7765520), (2, 3882760), (4, 1941380), (5, 1553104), (7, 1109360), (8, 970690), (10, 776552), (14, 554680), (16, 485345), (20, 388276), (28, 277340), (35, 221872), (40, 194138), (49, 158480), (56, 138670), (70, 110936), (80, 97069), (98, 79240), (112, 69335), (140, 55468), (196, 39620), (245, 31696), (280, 27734), (283, 27440), (343, 22640), (392, 19810), (490, 15848), (560, 13867), (566, 13720), (686, 11320), (784, 9905), (980, 7924), (1132, 6860), (1372, 5660), (1415, 5488), (1715, 4528), (1960, 3962), (1981, 3920), (2264, 3430), (2744, 2830)]