1260040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:154

約数の個数: 48

約数和(自身を含む): 3039300

約数和(自身を除く): 1779260

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 109, 136, 170, 218, 289, 340, 436, 545, 578, 680, 872, 1090, 1156, 1445, 1853, 2180, 2312, 2890, 3706, 4360, 5780, 7412, 9265, 11560, 14824, 18530, 31501, 37060, 63002, 74120, 126004, 157505, 252008, 315010, 630020, 1260040]

約数ペア:

[(1, 1260040), (2, 630020), (4, 315010), (5, 252008), (8, 157505), (10, 126004), (17, 74120), (20, 63002), (34, 37060), (40, 31501), (68, 18530), (85, 14824), (109, 11560), (136, 9265), (170, 7412), (218, 5780), (289, 4360), (340, 3706), (436, 2890), (545, 2312), (578, 2180), (680, 1853), (872, 1445), (1090, 1156)]