261551820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{233}}^1\times {\mathrm{353}}^1$

素因数の和:651

約数の個数: 96

約数和(自身を含む): 751488192

約数和(自身を除く): 489936372

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 233, 265, 318, 353, 466, 530, 636, 699, 706, 795, 932, 1059, 1060, 1165, 1398, 1412, 1590, 1765, 2118, 2330, 2796, 3180, 3495, 3530, 4236, 4660, 5295, 6990, 7060, 10590, 12349, 13980, 18709, 21180, 24698, 37047, 37418, 49396, 56127, 61745, 74094, 74836, 82249, 93545, 112254, 123490, 148188, 164498, 185235, 187090, 224508, 246747, 246980, 280635, 328996, 370470, 374180, 411245, 493494, 561270, 740940, 822490, 986988, 1122540, 1233735, 1644980, 2467470, 4359197, 4934940, 8718394, 13077591, 17436788, 21795985, 26155182, 43591970, 52310364, 65387955, 87183940, 130775910, 261551820]

約数ペア:

[(1, 261551820), (2, 130775910), (3, 87183940), (4, 65387955), (5, 52310364), (6, 43591970), (10, 26155182), (12, 21795985), (15, 17436788), (20, 13077591), (30, 8718394), (53, 4934940), (60, 4359197), (106, 2467470), (159, 1644980), (212, 1233735), (233, 1122540), (265, 986988), (318, 822490), (353, 740940), (466, 561270), (530, 493494), (636, 411245), (699, 374180), (706, 370470), (795, 328996), (932, 280635), (1059, 246980), (1060, 246747), (1165, 224508), (1398, 187090), (1412, 185235), (1590, 164498), (1765, 148188), (2118, 123490), (2330, 112254), (2796, 93545), (3180, 82249), (3495, 74836), (3530, 74094), (4236, 61745), (4660, 56127), (5295, 49396), (6990, 37418), (7060, 37047), (10590, 24698), (12349, 21180), (13980, 18709)]