28716540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15439}}^1$

素因数の和:15482

約数の個数: 48

約数和(自身を含む): 83005440

約数和(自身を除く): 54288900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 15439, 30878, 46317, 61756, 77195, 92634, 154390, 185268, 231585, 308780, 463170, 478609, 926340, 957218, 1435827, 1914436, 2393045, 2871654, 4786090, 5743308, 7179135, 9572180, 14358270, 28716540]

約数ペア:

[(1, 28716540), (2, 14358270), (3, 9572180), (4, 7179135), (5, 5743308), (6, 4786090), (10, 2871654), (12, 2393045), (15, 1914436), (20, 1435827), (30, 957218), (31, 926340), (60, 478609), (62, 463170), (93, 308780), (124, 231585), (155, 185268), (186, 154390), (310, 92634), (372, 77195), (465, 61756), (620, 46317), (930, 30878), (1860, 15439)]