31684240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1951}}^1$

素因数の和:2000

約数の個数: 80

約数和(自身を含む): 87137280

約数和(自身を除く): 55453040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 1951, 2030, 2320, 3248, 3902, 4060, 7804, 8120, 9755, 13657, 15608, 16240, 19510, 27314, 31216, 39020, 54628, 56579, 68285, 78040, 109256, 113158, 136570, 156080, 218512, 226316, 273140, 282895, 396053, 452632, 546280, 565790, 792106, 905264, 1092560, 1131580, 1584212, 1980265, 2263160, 3168424, 3960530, 4526320, 6336848, 7921060, 15842120, 31684240]

約数ペア:

[(1, 31684240), (2, 15842120), (4, 7921060), (5, 6336848), (7, 4526320), (8, 3960530), (10, 3168424), (14, 2263160), (16, 1980265), (20, 1584212), (28, 1131580), (29, 1092560), (35, 905264), (40, 792106), (56, 565790), (58, 546280), (70, 452632), (80, 396053), (112, 282895), (116, 273140), (140, 226316), (145, 218512), (203, 156080), (232, 136570), (280, 113158), (290, 109256), (406, 78040), (464, 68285), (560, 56579), (580, 54628), (812, 39020), (1015, 31216), (1160, 27314), (1624, 19510), (1951, 16240), (2030, 15608), (2320, 13657), (3248, 9755), (3902, 8120), (4060, 7804)]