140840820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{26981}}^1$

素因数の和:27025

約数の個数: 72

約数和(自身を含む): 441965160

約数和(自身を除く): 301124340

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, 26981, 53962, 80943, 107924, 134905, 161886, 242829, 269810, 323772, 404715, 485658, 539620, 782449, 809430, 971316, 1214145, 1564898, 1618860, 2347347, 2428290, 3129796, 3912245, 4694694, 4856580, 7042041, 7824490, 9389388, 11736735, 14084082, 15648980, 23473470, 28168164, 35210205, 46946940, 70420410, 140840820]

約数ペア:

[(1, 140840820), (2, 70420410), (3, 46946940), (4, 35210205), (5, 28168164), (6, 23473470), (9, 15648980), (10, 14084082), (12, 11736735), (15, 9389388), (18, 7824490), (20, 7042041), (29, 4856580), (30, 4694694), (36, 3912245), (45, 3129796), (58, 2428290), (60, 2347347), (87, 1618860), (90, 1564898), (116, 1214145), (145, 971316), (174, 809430), (180, 782449), (261, 539620), (290, 485658), (348, 404715), (435, 323772), (522, 269810), (580, 242829), (870, 161886), (1044, 134905), (1305, 107924), (1740, 80943), (2610, 53962), (5220, 26981)]