2520080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:156

約数の個数: 60

約数和(自身を含む): 6281220

約数和(自身を除く): 3761140

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 109, 136, 170, 218, 272, 289, 340, 436, 545, 578, 680, 872, 1090, 1156, 1360, 1445, 1744, 1853, 2180, 2312, 2890, 3706, 4360, 4624, 5780, 7412, 8720, 9265, 11560, 14824, 18530, 23120, 29648, 31501, 37060, 63002, 74120, 126004, 148240, 157505, 252008, 315010, 504016, 630020, 1260040, 2520080]

約数ペア:

[(1, 2520080), (2, 1260040), (4, 630020), (5, 504016), (8, 315010), (10, 252008), (16, 157505), (17, 148240), (20, 126004), (34, 74120), (40, 63002), (68, 37060), (80, 31501), (85, 29648), (109, 23120), (136, 18530), (170, 14824), (218, 11560), (272, 9265), (289, 8720), (340, 7412), (436, 5780), (545, 4624), (578, 4360), (680, 3706), (872, 2890), (1090, 2312), (1156, 2180), (1360, 1853), (1445, 1744)]