66489990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{479}}^1\times {\mathrm{661}}^1$

素因数の和:1157

約数の個数: 64

約数和(自身を含む): 183029760

約数和(自身を除く): 116539770

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 479, 661, 958, 1322, 1437, 1983, 2395, 2874, 3305, 3353, 3966, 4627, 4790, 6610, 6706, 7185, 9254, 9915, 10059, 13881, 14370, 16765, 19830, 20118, 23135, 27762, 33530, 46270, 50295, 69405, 100590, 138810, 316619, 633238, 949857, 1583095, 1899714, 2216333, 3166190, 4432666, 4749285, 6648999, 9498570, 11081665, 13297998, 22163330, 33244995, 66489990]

約数ペア:

[(1, 66489990), (2, 33244995), (3, 22163330), (5, 13297998), (6, 11081665), (7, 9498570), (10, 6648999), (14, 4749285), (15, 4432666), (21, 3166190), (30, 2216333), (35, 1899714), (42, 1583095), (70, 949857), (105, 633238), (210, 316619), (479, 138810), (661, 100590), (958, 69405), (1322, 50295), (1437, 46270), (1983, 33530), (2395, 27762), (2874, 23135), (3305, 20118), (3353, 19830), (3966, 16765), (4627, 14370), (4790, 13881), (6610, 10059), (6706, 9915), (7185, 9254)]