31124970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1447}}^1$

素因数の和:1699

約数の個数: 48

約数和(自身を含む): 81319680

約数和(自身を除く): 50194710

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 239, 478, 717, 1195, 1434, 1447, 2151, 2390, 2894, 3585, 4302, 4341, 7170, 7235, 8682, 10755, 13023, 14470, 21510, 21705, 26046, 43410, 65115, 130230, 345833, 691666, 1037499, 1729165, 2074998, 3112497, 3458330, 5187495, 6224994, 10374990, 15562485, 31124970]

約数ペア:

[(1, 31124970), (2, 15562485), (3, 10374990), (5, 6224994), (6, 5187495), (9, 3458330), (10, 3112497), (15, 2074998), (18, 1729165), (30, 1037499), (45, 691666), (90, 345833), (239, 130230), (478, 65115), (717, 43410), (1195, 26046), (1434, 21705), (1447, 21510), (2151, 14470), (2390, 13023), (2894, 10755), (3585, 8682), (4302, 7235), (4341, 7170)]