15784120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1237}}^1$

素因数の和:1288

約数の個数: 64

約数和(自身を含む): 40111200

約数和(自身を除く): 24327080

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, 1237, 1276, 1595, 2474, 2552, 3190, 4948, 6185, 6380, 9896, 12370, 12760, 13607, 24740, 27214, 35873, 49480, 54428, 68035, 71746, 108856, 136070, 143492, 179365, 272140, 286984, 358730, 394603, 544280, 717460, 789206, 1434920, 1578412, 1973015, 3156824, 3946030, 7892060, 15784120]

約数ペア:

[(1, 15784120), (2, 7892060), (4, 3946030), (5, 3156824), (8, 1973015), (10, 1578412), (11, 1434920), (20, 789206), (22, 717460), (29, 544280), (40, 394603), (44, 358730), (55, 286984), (58, 272140), (88, 179365), (110, 143492), (116, 136070), (145, 108856), (220, 71746), (232, 68035), (290, 54428), (319, 49480), (440, 35873), (580, 27214), (638, 24740), (1160, 13607), (1237, 12760), (1276, 12370), (1595, 9896), (2474, 6380), (2552, 6185), (3190, 4948)]