320194620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{197651}}^1$

素因数の和:197672

約数の個数: 60

約数和(自身を含む): 1004467464

約数和(自身を除く): 684272844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 197651, 395302, 592953, 790604, 988255, 1185906, 1778859, 1976510, 2371812, 2964765, 3557718, 3953020, 5336577, 5929530, 7115436, 8894295, 10673154, 11859060, 16009731, 17788590, 21346308, 26682885, 32019462, 35577180, 53365770, 64038924, 80048655, 106731540, 160097310, 320194620]

約数ペア:

[(1, 320194620), (2, 160097310), (3, 106731540), (4, 80048655), (5, 64038924), (6, 53365770), (9, 35577180), (10, 32019462), (12, 26682885), (15, 21346308), (18, 17788590), (20, 16009731), (27, 11859060), (30, 10673154), (36, 8894295), (45, 7115436), (54, 5929530), (60, 5336577), (81, 3953020), (90, 3557718), (108, 2964765), (135, 2371812), (162, 1976510), (180, 1778859), (270, 1185906), (324, 988255), (405, 790604), (540, 592953), (810, 395302), (1620, 197651)]