15810800

素因数分解:

$2^4\times 5^2\times {\mathrm{29}}^2\times {\mathrm{47}}^1$

素因数の和:123

約数の個数: 90

約数和(自身を含む): 40177488

約数和(自身を除く): 24366688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 47, 50, 58, 80, 94, 100, 116, 145, 188, 200, 232, 235, 290, 376, 400, 464, 470, 580, 725, 752, 841, 940, 1160, 1175, 1363, 1450, 1682, 1880, 2320, 2350, 2726, 2900, 3364, 3760, 4205, 4700, 5452, 5800, 6728, 6815, 8410, 9400, 10904, 11600, 13456, 13630, 16820, 18800, 21025, 21808, 27260, 33640, 34075, 39527, 42050, 54520, 67280, 68150, 79054, 84100, 109040, 136300, 158108, 168200, 197635, 272600, 316216, 336400, 395270, 545200, 632432, 790540, 988175, 1581080, 1976350, 3162160, 3952700, 7905400, 15810800]

約数ペア:

[(1, 15810800), (2, 7905400), (4, 3952700), (5, 3162160), (8, 1976350), (10, 1581080), (16, 988175), (20, 790540), (25, 632432), (29, 545200), (40, 395270), (47, 336400), (50, 316216), (58, 272600), (80, 197635), (94, 168200), (100, 158108), (116, 136300), (145, 109040), (188, 84100), (200, 79054), (232, 68150), (235, 67280), (290, 54520), (376, 42050), (400, 39527), (464, 34075), (470, 33640), (580, 27260), (725, 21808), (752, 21025), (841, 18800), (940, 16820), (1160, 13630), (1175, 13456), (1363, 11600), (1450, 10904), (1682, 9400), (1880, 8410), (2320, 6815), (2350, 6728), (2726, 5800), (2900, 5452), (3364, 4700), (3760, 4205)]