646832016

素因数分解:

$2^4\times 3^2\times {\mathrm{223}}^1\times {\mathrm{20143}}^1$

素因数の和:20380

約数の個数: 60

約数和(自身を含む): 1818439168

約数和(自身を除く): 1171607152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 223, 446, 669, 892, 1338, 1784, 2007, 2676, 3568, 4014, 5352, 8028, 10704, 16056, 20143, 32112, 40286, 60429, 80572, 120858, 161144, 181287, 241716, 322288, 362574, 483432, 725148, 966864, 1450296, 2900592, 4491889, 8983778, 13475667, 17967556, 26951334, 35935112, 40427001, 53902668, 71870224, 80854002, 107805336, 161708004, 215610672, 323416008, 646832016]

約数ペア:

[(1, 646832016), (2, 323416008), (3, 215610672), (4, 161708004), (6, 107805336), (8, 80854002), (9, 71870224), (12, 53902668), (16, 40427001), (18, 35935112), (24, 26951334), (36, 17967556), (48, 13475667), (72, 8983778), (144, 4491889), (223, 2900592), (446, 1450296), (669, 966864), (892, 725148), (1338, 483432), (1784, 362574), (2007, 322288), (2676, 241716), (3568, 181287), (4014, 161144), (5352, 120858), (8028, 80572), (10704, 60429), (16056, 40286), (20143, 32112)]