15621200

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{797}}^1$

素因数の和:829

約数の個数: 90

約数和(自身を含む): 43712046

約数和(自身を除く): 28090846

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 797, 980, 1225, 1400, 1594, 1960, 2450, 2800, 3188, 3920, 3985, 4900, 5579, 6376, 7970, 9800, 11158, 12752, 15940, 19600, 19925, 22316, 27895, 31880, 39053, 39850, 44632, 55790, 63760, 78106, 79700, 89264, 111580, 139475, 156212, 159400, 195265, 223160, 278950, 312424, 318800, 390530, 446320, 557900, 624848, 781060, 976325, 1115800, 1562120, 1952650, 2231600, 3124240, 3905300, 7810600, 15621200]

約数ペア:

[(1, 15621200), (2, 7810600), (4, 3905300), (5, 3124240), (7, 2231600), (8, 1952650), (10, 1562120), (14, 1115800), (16, 976325), (20, 781060), (25, 624848), (28, 557900), (35, 446320), (40, 390530), (49, 318800), (50, 312424), (56, 278950), (70, 223160), (80, 195265), (98, 159400), (100, 156212), (112, 139475), (140, 111580), (175, 89264), (196, 79700), (200, 78106), (245, 63760), (280, 55790), (350, 44632), (392, 39850), (400, 39053), (490, 31880), (560, 27895), (700, 22316), (784, 19925), (797, 19600), (980, 15940), (1225, 12752), (1400, 11158), (1594, 9800), (1960, 7970), (2450, 6376), (2800, 5579), (3188, 4900), (3920, 3985)]