30831515

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 45536256

約数和(自身を除く): 14704741

約数列:

[1, 5, 11, 13, 31, 55, 65, 107, 143, 155, 169, 341, 403, 535, 715, 845, 1177, 1391, 1705, 1859, 2015, 3317, 4433, 5239, 5885, 6955, 9295, 15301, 16585, 18083, 22165, 26195, 36487, 43121, 57629, 76505, 90415, 182435, 198913, 215605, 288145, 474331, 560573, 994565, 2371655, 2802865, 6166303, 30831515]

約数ペア:

[(1, 30831515), (5, 6166303), (11, 2802865), (13, 2371655), (31, 994565), (55, 560573), (65, 474331), (107, 288145), (143, 215605), (155, 198913), (169, 182435), (341, 90415), (403, 76505), (535, 57629), (715, 43121), (845, 36487), (1177, 26195), (1391, 22165), (1705, 18083), (1859, 16585), (2015, 15301), (3317, 9295), (4433, 6955), (5239, 5885)]