15937240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1300

約数の個数: 64

約数和(自身を含む): 40500000

約数和(自身を除く): 24562760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 29, 40, 44, 55, 58, 88, 110, 116, 145, 220, 232, 290, 319, 440, 580, 638, 1160, 1249, 1276, 1595, 2498, 2552, 3190, 4996, 6245, 6380, 9992, 12490, 12760, 13739, 24980, 27478, 36221, 49960, 54956, 68695, 72442, 109912, 137390, 144884, 181105, 274780, 289768, 362210, 398431, 549560, 724420, 796862, 1448840, 1593724, 1992155, 3187448, 3984310, 7968620, 15937240]

約数ペア:

[(1, 15937240), (2, 7968620), (4, 3984310), (5, 3187448), (8, 1992155), (10, 1593724), (11, 1448840), (20, 796862), (22, 724420), (29, 549560), (40, 398431), (44, 362210), (55, 289768), (58, 274780), (88, 181105), (110, 144884), (116, 137390), (145, 109912), (220, 72442), (232, 68695), (290, 54956), (319, 49960), (440, 36221), (580, 27478), (638, 24980), (1160, 13739), (1249, 12760), (1276, 12490), (1595, 9992), (2498, 6380), (2552, 6245), (3190, 4996)]