180622520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{829}}^1$

素因数の和:1272

約数の個数: 64

約数和(自身を含む): 439236000

約数和(自身を除く): 258613480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 419, 520, 829, 838, 1658, 1676, 2095, 3316, 3352, 4145, 4190, 5447, 6632, 8290, 8380, 10777, 10894, 16580, 16760, 21554, 21788, 27235, 33160, 43108, 43576, 53885, 54470, 86216, 107770, 108940, 215540, 217880, 347351, 431080, 694702, 1389404, 1736755, 2778808, 3473510, 4515563, 6947020, 9031126, 13894040, 18062252, 22577815, 36124504, 45155630, 90311260, 180622520]

約数ペア:

[(1, 180622520), (2, 90311260), (4, 45155630), (5, 36124504), (8, 22577815), (10, 18062252), (13, 13894040), (20, 9031126), (26, 6947020), (40, 4515563), (52, 3473510), (65, 2778808), (104, 1736755), (130, 1389404), (260, 694702), (419, 431080), (520, 347351), (829, 217880), (838, 215540), (1658, 108940), (1676, 107770), (2095, 86216), (3316, 54470), (3352, 53885), (4145, 43576), (4190, 43108), (5447, 33160), (6632, 27235), (8290, 21788), (8380, 21554), (10777, 16760), (10894, 16580)]