7908880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:536

約数の個数: 80

約数和(自身を含む): 21784320

約数和(自身を除く): 13875440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 487, 560, 580, 812, 974, 1015, 1160, 1624, 1948, 2030, 2320, 2435, 3248, 3409, 3896, 4060, 4870, 6818, 7792, 8120, 9740, 13636, 14123, 16240, 17045, 19480, 27272, 28246, 34090, 38960, 54544, 56492, 68180, 70615, 98861, 112984, 136360, 141230, 197722, 225968, 272720, 282460, 395444, 494305, 564920, 790888, 988610, 1129840, 1581776, 1977220, 3954440, 7908880]

約数ペア:

[(1, 7908880), (2, 3954440), (4, 1977220), (5, 1581776), (7, 1129840), (8, 988610), (10, 790888), (14, 564920), (16, 494305), (20, 395444), (28, 282460), (29, 272720), (35, 225968), (40, 197722), (56, 141230), (58, 136360), (70, 112984), (80, 98861), (112, 70615), (116, 68180), (140, 56492), (145, 54544), (203, 38960), (232, 34090), (280, 28246), (290, 27272), (406, 19480), (464, 17045), (487, 16240), (560, 14123), (580, 13636), (812, 9740), (974, 8120), (1015, 7792), (1160, 6818), (1624, 4870), (1948, 4060), (2030, 3896), (2320, 3409), (2435, 3248)]