16307320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{499}}^1$

素因数の和:572

約数の個数: 64

約数和(自身を含む): 39600000

約数和(自身を除く): 23292680

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 43, 76, 86, 95, 152, 172, 190, 215, 344, 380, 430, 499, 760, 817, 860, 998, 1634, 1720, 1996, 2495, 3268, 3992, 4085, 4990, 6536, 8170, 9481, 9980, 16340, 18962, 19960, 21457, 32680, 37924, 42914, 47405, 75848, 85828, 94810, 107285, 171656, 189620, 214570, 379240, 407683, 429140, 815366, 858280, 1630732, 2038415, 3261464, 4076830, 8153660, 16307320]

約数ペア:

[(1, 16307320), (2, 8153660), (4, 4076830), (5, 3261464), (8, 2038415), (10, 1630732), (19, 858280), (20, 815366), (38, 429140), (40, 407683), (43, 379240), (76, 214570), (86, 189620), (95, 171656), (152, 107285), (172, 94810), (190, 85828), (215, 75848), (344, 47405), (380, 42914), (430, 37924), (499, 32680), (760, 21457), (817, 19960), (860, 18962), (998, 16340), (1634, 9980), (1720, 9481), (1996, 8170), (2495, 6536), (3268, 4990), (3992, 4085)]