4456720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 80

約数和(自身を含む): 11450160

約数和(自身を除く): 6993440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 113, 116, 136, 145, 170, 226, 232, 272, 290, 340, 452, 464, 493, 565, 580, 680, 904, 986, 1130, 1160, 1360, 1808, 1921, 1972, 2260, 2320, 2465, 3277, 3842, 3944, 4520, 4930, 6554, 7684, 7888, 9040, 9605, 9860, 13108, 15368, 16385, 19210, 19720, 26216, 30736, 32770, 38420, 39440, 52432, 55709, 65540, 76840, 111418, 131080, 153680, 222836, 262160, 278545, 445672, 557090, 891344, 1114180, 2228360, 4456720]

約数ペア:

[(1, 4456720), (2, 2228360), (4, 1114180), (5, 891344), (8, 557090), (10, 445672), (16, 278545), (17, 262160), (20, 222836), (29, 153680), (34, 131080), (40, 111418), (58, 76840), (68, 65540), (80, 55709), (85, 52432), (113, 39440), (116, 38420), (136, 32770), (145, 30736), (170, 26216), (226, 19720), (232, 19210), (272, 16385), (290, 15368), (340, 13108), (452, 9860), (464, 9605), (493, 9040), (565, 7888), (580, 7684), (680, 6554), (904, 4930), (986, 4520), (1130, 3944), (1160, 3842), (1360, 3277), (1808, 2465), (1921, 2320), (1972, 2260)]