81572520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{6353}}^1$

素因数の和:6474

約数の個数: 64

約数和(自身を含む): 247043520

約数和(自身を除く): 165471000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 107, 120, 214, 321, 428, 535, 642, 856, 1070, 1284, 1605, 2140, 2568, 3210, 4280, 6353, 6420, 12706, 12840, 19059, 25412, 31765, 38118, 50824, 63530, 76236, 95295, 127060, 152472, 190590, 254120, 381180, 679771, 762360, 1359542, 2039313, 2719084, 3398855, 4078626, 5438168, 6797710, 8157252, 10196565, 13595420, 16314504, 20393130, 27190840, 40786260, 81572520]

約数ペア:

[(1, 81572520), (2, 40786260), (3, 27190840), (4, 20393130), (5, 16314504), (6, 13595420), (8, 10196565), (10, 8157252), (12, 6797710), (15, 5438168), (20, 4078626), (24, 3398855), (30, 2719084), (40, 2039313), (60, 1359542), (107, 762360), (120, 679771), (214, 381180), (321, 254120), (428, 190590), (535, 152472), (642, 127060), (856, 95295), (1070, 76236), (1284, 63530), (1605, 50824), (2140, 38118), (2568, 31765), (3210, 25412), (4280, 19059), (6353, 12840), (6420, 12706)]