1222640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 3214080

約数和(自身を除く): 1991440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 31, 34, 40, 58, 62, 68, 80, 85, 116, 124, 136, 145, 155, 170, 232, 248, 272, 290, 310, 340, 464, 493, 496, 527, 580, 620, 680, 899, 986, 1054, 1160, 1240, 1360, 1798, 1972, 2108, 2320, 2465, 2480, 2635, 3596, 3944, 4216, 4495, 4930, 5270, 7192, 7888, 8432, 8990, 9860, 10540, 14384, 15283, 17980, 19720, 21080, 30566, 35960, 39440, 42160, 61132, 71920, 76415, 122264, 152830, 244528, 305660, 611320, 1222640]

約数ペア:

[(1, 1222640), (2, 611320), (4, 305660), (5, 244528), (8, 152830), (10, 122264), (16, 76415), (17, 71920), (20, 61132), (29, 42160), (31, 39440), (34, 35960), (40, 30566), (58, 21080), (62, 19720), (68, 17980), (80, 15283), (85, 14384), (116, 10540), (124, 9860), (136, 8990), (145, 8432), (155, 7888), (170, 7192), (232, 5270), (248, 4930), (272, 4495), (290, 4216), (310, 3944), (340, 3596), (464, 2635), (493, 2480), (496, 2465), (527, 2320), (580, 2108), (620, 1972), (680, 1798), (899, 1360), (986, 1240), (1054, 1160)]