8990960

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{601}}^1$

素因数の和:642

約数の個数: 80

約数和(自身を含む): 24185952

約数和(自身を除く): 15194992

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 601, 680, 748, 880, 935, 1202, 1360, 1496, 1870, 2404, 2992, 3005, 3740, 4808, 6010, 6611, 7480, 9616, 10217, 12020, 13222, 14960, 20434, 24040, 26444, 33055, 40868, 48080, 51085, 52888, 66110, 81736, 102170, 105776, 112387, 132220, 163472, 204340, 224774, 264440, 408680, 449548, 528880, 561935, 817360, 899096, 1123870, 1798192, 2247740, 4495480, 8990960]

約数ペア:

[(1, 8990960), (2, 4495480), (4, 2247740), (5, 1798192), (8, 1123870), (10, 899096), (11, 817360), (16, 561935), (17, 528880), (20, 449548), (22, 408680), (34, 264440), (40, 224774), (44, 204340), (55, 163472), (68, 132220), (80, 112387), (85, 105776), (88, 102170), (110, 81736), (136, 66110), (170, 52888), (176, 51085), (187, 48080), (220, 40868), (272, 33055), (340, 26444), (374, 24040), (440, 20434), (601, 14960), (680, 13222), (748, 12020), (880, 10217), (935, 9616), (1202, 7480), (1360, 6611), (1496, 6010), (1870, 4808), (2404, 3740), (2992, 3005)]