405160740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{77617}}^1$

素因数の和:77661

約数の個数: 72

約数和(自身を含む): 1271382840

約数和(自身を除く): 866222100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2610, 5220, 77617, 155234, 232851, 310468, 388085, 465702, 698553, 776170, 931404, 1164255, 1397106, 1552340, 2250893, 2328510, 2794212, 3492765, 4501786, 4657020, 6752679, 6985530, 9003572, 11254465, 13505358, 13971060, 20258037, 22508930, 27010716, 33763395, 40516074, 45017860, 67526790, 81032148, 101290185, 135053580, 202580370, 405160740]

約数ペア:

[(1, 405160740), (2, 202580370), (3, 135053580), (4, 101290185), (5, 81032148), (6, 67526790), (9, 45017860), (10, 40516074), (12, 33763395), (15, 27010716), (18, 22508930), (20, 20258037), (29, 13971060), (30, 13505358), (36, 11254465), (45, 9003572), (58, 6985530), (60, 6752679), (87, 4657020), (90, 4501786), (116, 3492765), (145, 2794212), (174, 2328510), (180, 2250893), (261, 1552340), (290, 1397106), (348, 1164255), (435, 931404), (522, 776170), (580, 698553), (870, 465702), (1044, 388085), (1305, 310468), (1740, 232851), (2610, 155234), (5220, 77617)]