13031480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4231}}^1$

素因数の和:4260

約数の個数: 64

約数和(自身を含む): 36564480

約数和(自身を除く): 23533000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 4231, 8462, 16924, 21155, 29617, 33848, 42310, 46541, 59234, 84620, 93082, 118468, 148085, 169240, 186164, 232705, 236936, 296170, 325787, 372328, 465410, 592340, 651574, 930820, 1184680, 1303148, 1628935, 1861640, 2606296, 3257870, 6515740, 13031480]

約数ペア:

[(1, 13031480), (2, 6515740), (4, 3257870), (5, 2606296), (7, 1861640), (8, 1628935), (10, 1303148), (11, 1184680), (14, 930820), (20, 651574), (22, 592340), (28, 465410), (35, 372328), (40, 325787), (44, 296170), (55, 236936), (56, 232705), (70, 186164), (77, 169240), (88, 148085), (110, 118468), (140, 93082), (154, 84620), (220, 59234), (280, 46541), (308, 42310), (385, 33848), (440, 29617), (616, 21155), (770, 16924), (1540, 8462), (3080, 4231)]