156761020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2441}}^1$

素因数の和:2495

約数の個数: 72

約数和(自身を含む): 375384240

約数和(自身を除く): 218623220

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 169, 190, 247, 260, 338, 380, 494, 676, 845, 988, 1235, 1690, 2441, 2470, 3211, 3380, 4882, 4940, 6422, 9764, 12205, 12844, 16055, 24410, 31733, 32110, 46379, 48820, 63466, 64220, 92758, 126932, 158665, 185516, 231895, 317330, 412529, 463790, 602927, 634660, 825058, 927580, 1205854, 1650116, 2062645, 2411708, 3014635, 4125290, 6029270, 7838051, 8250580, 12058540, 15676102, 31352204, 39190255, 78380510, 156761020]

約数ペア:

[(1, 156761020), (2, 78380510), (4, 39190255), (5, 31352204), (10, 15676102), (13, 12058540), (19, 8250580), (20, 7838051), (26, 6029270), (38, 4125290), (52, 3014635), (65, 2411708), (76, 2062645), (95, 1650116), (130, 1205854), (169, 927580), (190, 825058), (247, 634660), (260, 602927), (338, 463790), (380, 412529), (494, 317330), (676, 231895), (845, 185516), (988, 158665), (1235, 126932), (1690, 92758), (2441, 64220), (2470, 63466), (3211, 48820), (3380, 46379), (4882, 32110), (4940, 31733), (6422, 24410), (9764, 16055), (12205, 12844)]