64995560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{33161}}^1$

素因数の和:33186

約数の個数: 48

約数和(自身を含む): 170121060

約数和(自身を除く): 105125500

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 33161, 66322, 132644, 165805, 232127, 265288, 331610, 464254, 663220, 928508, 1160635, 1326440, 1624889, 1857016, 2321270, 3249778, 4642540, 6499556, 8124445, 9285080, 12999112, 16248890, 32497780, 64995560]

約数ペア:

[(1, 64995560), (2, 32497780), (4, 16248890), (5, 12999112), (7, 9285080), (8, 8124445), (10, 6499556), (14, 4642540), (20, 3249778), (28, 2321270), (35, 1857016), (40, 1624889), (49, 1326440), (56, 1160635), (70, 928508), (98, 663220), (140, 464254), (196, 331610), (245, 265288), (280, 232127), (392, 165805), (490, 132644), (980, 66322), (1960, 33161)]