31245630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 81587520

約数和(自身を除く): 50341890

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 113, 130, 195, 226, 339, 390, 565, 678, 709, 1130, 1418, 1469, 1695, 2127, 2938, 3390, 3545, 4254, 4407, 7090, 7345, 8814, 9217, 10635, 14690, 18434, 21270, 22035, 27651, 44070, 46085, 55302, 80117, 92170, 138255, 160234, 240351, 276510, 400585, 480702, 801170, 1041521, 1201755, 2083042, 2403510, 3124563, 5207605, 6249126, 10415210, 15622815, 31245630]

約数ペア:

[(1, 31245630), (2, 15622815), (3, 10415210), (5, 6249126), (6, 5207605), (10, 3124563), (13, 2403510), (15, 2083042), (26, 1201755), (30, 1041521), (39, 801170), (65, 480702), (78, 400585), (113, 276510), (130, 240351), (195, 160234), (226, 138255), (339, 92170), (390, 80117), (565, 55302), (678, 46085), (709, 44070), (1130, 27651), (1418, 22035), (1469, 21270), (1695, 18434), (2127, 14690), (2938, 10635), (3390, 9217), (3545, 8814), (4254, 7345), (4407, 7090)]