157788560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{641}}^1$

素因数の和:852

約数の個数: 80

約数和(自身を含む): 391193712

約数和(自身を除く): 233405152

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 181, 272, 340, 362, 641, 680, 724, 905, 1282, 1360, 1448, 1810, 2564, 2896, 3077, 3205, 3620, 5128, 6154, 6410, 7240, 10256, 10897, 12308, 12820, 14480, 15385, 21794, 24616, 25640, 30770, 43588, 49232, 51280, 54485, 61540, 87176, 108970, 116021, 123080, 174352, 217940, 232042, 246160, 435880, 464084, 580105, 871760, 928168, 1160210, 1856336, 1972357, 2320420, 3944714, 4640840, 7889428, 9281680, 9861785, 15778856, 19723570, 31557712, 39447140, 78894280, 157788560]

約数ペア:

[(1, 157788560), (2, 78894280), (4, 39447140), (5, 31557712), (8, 19723570), (10, 15778856), (16, 9861785), (17, 9281680), (20, 7889428), (34, 4640840), (40, 3944714), (68, 2320420), (80, 1972357), (85, 1856336), (136, 1160210), (170, 928168), (181, 871760), (272, 580105), (340, 464084), (362, 435880), (641, 246160), (680, 232042), (724, 217940), (905, 174352), (1282, 123080), (1360, 116021), (1448, 108970), (1810, 87176), (2564, 61540), (2896, 54485), (3077, 51280), (3205, 49232), (3620, 43588), (5128, 30770), (6154, 25640), (6410, 24616), (7240, 21794), (10256, 15385), (10897, 14480), (12308, 12820)]