159991780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 385257600

約数和(自身を除く): 225265820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 139, 190, 233, 247, 260, 278, 380, 466, 494, 556, 695, 932, 988, 1165, 1235, 1390, 1807, 2330, 2470, 2641, 2780, 3029, 3614, 4427, 4660, 4940, 5282, 6058, 7228, 8854, 9035, 10564, 12116, 13205, 15145, 17708, 18070, 22135, 26410, 30290, 32387, 34333, 36140, 44270, 52820, 57551, 60580, 64774, 68666, 88540, 115102, 129548, 137332, 161935, 171665, 230204, 287755, 323870, 343330, 421031, 575510, 615353, 647740, 686660, 842062, 1151020, 1230706, 1684124, 2105155, 2461412, 3076765, 4210310, 6153530, 7999589, 8420620, 12307060, 15999178, 31998356, 39997945, 79995890, 159991780]

約数ペア:

[(1, 159991780), (2, 79995890), (4, 39997945), (5, 31998356), (10, 15999178), (13, 12307060), (19, 8420620), (20, 7999589), (26, 6153530), (38, 4210310), (52, 3076765), (65, 2461412), (76, 2105155), (95, 1684124), (130, 1230706), (139, 1151020), (190, 842062), (233, 686660), (247, 647740), (260, 615353), (278, 575510), (380, 421031), (466, 343330), (494, 323870), (556, 287755), (695, 230204), (932, 171665), (988, 161935), (1165, 137332), (1235, 129548), (1390, 115102), (1807, 88540), (2330, 68666), (2470, 64774), (2641, 60580), (2780, 57551), (3029, 52820), (3614, 44270), (4427, 36140), (4660, 34333), (4940, 32387), (5282, 30290), (6058, 26410), (7228, 22135), (8854, 18070), (9035, 17708), (10564, 15145), (12116, 13205)]