61927180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2231

約数の個数: 72

約数和(自身を含む): 156567600

約数和(自身を除く): 94640420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 980, 1015, 1421, 2030, 2179, 2842, 4060, 4358, 5684, 7105, 8716, 10895, 14210, 15253, 21790, 28420, 30506, 43580, 61012, 63191, 76265, 106771, 126382, 152530, 213542, 252764, 305060, 315955, 427084, 442337, 533855, 631910, 884674, 1067710, 1263820, 1769348, 2135420, 2211685, 3096359, 4423370, 6192718, 8846740, 12385436, 15481795, 30963590, 61927180]

約数ペア:

[(1, 61927180), (2, 30963590), (4, 15481795), (5, 12385436), (7, 8846740), (10, 6192718), (14, 4423370), (20, 3096359), (28, 2211685), (29, 2135420), (35, 1769348), (49, 1263820), (58, 1067710), (70, 884674), (98, 631910), (116, 533855), (140, 442337), (145, 427084), (196, 315955), (203, 305060), (245, 252764), (290, 213542), (406, 152530), (490, 126382), (580, 106771), (812, 76265), (980, 63191), (1015, 61012), (1421, 43580), (2030, 30506), (2179, 28420), (2842, 21790), (4060, 15253), (4358, 14210), (5684, 10895), (7105, 8716)]