20161110

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{479}}^1$

素因数の和:573

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 31264170

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 61, 69, 115, 122, 138, 183, 230, 305, 345, 366, 479, 610, 690, 915, 958, 1403, 1437, 1830, 2395, 2806, 2874, 4209, 4790, 7015, 7185, 8418, 11017, 14030, 14370, 21045, 22034, 29219, 33051, 42090, 55085, 58438, 66102, 87657, 110170, 146095, 165255, 175314, 292190, 330510, 438285, 672037, 876570, 1344074, 2016111, 3360185, 4032222, 6720370, 10080555, 20161110]

約数ペア:

[(1, 20161110), (2, 10080555), (3, 6720370), (5, 4032222), (6, 3360185), (10, 2016111), (15, 1344074), (23, 876570), (30, 672037), (46, 438285), (61, 330510), (69, 292190), (115, 175314), (122, 165255), (138, 146095), (183, 110170), (230, 87657), (305, 66102), (345, 58438), (366, 55085), (479, 42090), (610, 33051), (690, 29219), (915, 22034), (958, 21045), (1403, 14370), (1437, 14030), (1830, 11017), (2395, 8418), (2806, 7185), (2874, 7015), (4209, 4790)]