31509870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:905

約数の個数: 64

約数和(自身を含む): 86939136

約数和(自身を除く): 55429266

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 227, 454, 661, 681, 1135, 1322, 1362, 1589, 1983, 2270, 3178, 3305, 3405, 3966, 4627, 4767, 6610, 6810, 7945, 9254, 9534, 9915, 13881, 15890, 19830, 23135, 23835, 27762, 46270, 47670, 69405, 138810, 150047, 300094, 450141, 750235, 900282, 1050329, 1500470, 2100658, 2250705, 3150987, 4501410, 5251645, 6301974, 10503290, 15754935, 31509870]

約数ペア:

[(1, 31509870), (2, 15754935), (3, 10503290), (5, 6301974), (6, 5251645), (7, 4501410), (10, 3150987), (14, 2250705), (15, 2100658), (21, 1500470), (30, 1050329), (35, 900282), (42, 750235), (70, 450141), (105, 300094), (210, 150047), (227, 138810), (454, 69405), (661, 47670), (681, 46270), (1135, 27762), (1322, 23835), (1362, 23135), (1589, 19830), (1983, 15890), (2270, 13881), (3178, 9915), (3305, 9534), (3405, 9254), (3966, 7945), (4627, 6810), (4767, 6610)]