161033220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28859}}^1$

素因数の和:28905

約数の個数: 72

約数和(自身を含む): 504241920

約数和(自身を除く): 343208700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 28859, 57718, 86577, 115436, 144295, 173154, 259731, 288590, 346308, 432885, 519462, 577180, 865770, 894629, 1038924, 1298655, 1731540, 1789258, 2597310, 2683887, 3578516, 4473145, 5194620, 5367774, 8051661, 8946290, 10735548, 13419435, 16103322, 17892580, 26838870, 32206644, 40258305, 53677740, 80516610, 161033220]

約数ペア:

[(1, 161033220), (2, 80516610), (3, 53677740), (4, 40258305), (5, 32206644), (6, 26838870), (9, 17892580), (10, 16103322), (12, 13419435), (15, 10735548), (18, 8946290), (20, 8051661), (30, 5367774), (31, 5194620), (36, 4473145), (45, 3578516), (60, 2683887), (62, 2597310), (90, 1789258), (93, 1731540), (124, 1298655), (155, 1038924), (180, 894629), (186, 865770), (279, 577180), (310, 519462), (372, 432885), (465, 346308), (558, 288590), (620, 259731), (930, 173154), (1116, 144295), (1395, 115436), (1860, 86577), (2790, 57718), (5580, 28859)]