72978420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{277}}^1\times {\mathrm{4391}}^1$

素因数の和:4680

約数の個数: 48

約数和(自身を含む): 205123968

約数和(自身を除く): 132145548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 277, 554, 831, 1108, 1385, 1662, 2770, 3324, 4155, 4391, 5540, 8310, 8782, 13173, 16620, 17564, 21955, 26346, 43910, 52692, 65865, 87820, 131730, 263460, 1216307, 2432614, 3648921, 4865228, 6081535, 7297842, 12163070, 14595684, 18244605, 24326140, 36489210, 72978420]

約数ペア:

[(1, 72978420), (2, 36489210), (3, 24326140), (4, 18244605), (5, 14595684), (6, 12163070), (10, 7297842), (12, 6081535), (15, 4865228), (20, 3648921), (30, 2432614), (60, 1216307), (277, 263460), (554, 131730), (831, 87820), (1108, 65865), (1385, 52692), (1662, 43910), (2770, 26346), (3324, 21955), (4155, 17564), (4391, 16620), (5540, 13173), (8310, 8782)]