71921600

素因数分解:

$2^6\times 5^2\times {\mathrm{79}}^1\times {\mathrm{569}}^1$

素因数の和:670

約数の個数: 84

約数和(自身を含む): 179527200

約数和(自身を除く): 107605600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 158, 160, 200, 316, 320, 395, 400, 569, 632, 790, 800, 1138, 1264, 1580, 1600, 1975, 2276, 2528, 2845, 3160, 3950, 4552, 5056, 5690, 6320, 7900, 9104, 11380, 12640, 14225, 15800, 18208, 22760, 25280, 28450, 31600, 36416, 44951, 45520, 56900, 63200, 89902, 91040, 113800, 126400, 179804, 182080, 224755, 227600, 359608, 449510, 455200, 719216, 899020, 910400, 1123775, 1438432, 1798040, 2247550, 2876864, 3596080, 4495100, 7192160, 8990200, 14384320, 17980400, 35960800, 71921600]

約数ペア:

[(1, 71921600), (2, 35960800), (4, 17980400), (5, 14384320), (8, 8990200), (10, 7192160), (16, 4495100), (20, 3596080), (25, 2876864), (32, 2247550), (40, 1798040), (50, 1438432), (64, 1123775), (79, 910400), (80, 899020), (100, 719216), (158, 455200), (160, 449510), (200, 359608), (316, 227600), (320, 224755), (395, 182080), (400, 179804), (569, 126400), (632, 113800), (790, 91040), (800, 89902), (1138, 63200), (1264, 56900), (1580, 45520), (1600, 44951), (1975, 36416), (2276, 31600), (2528, 28450), (2845, 25280), (3160, 22760), (3950, 18208), (4552, 15800), (5056, 14225), (5690, 12640), (6320, 11380), (7900, 9104)]