7507880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 18280080

約数和(自身を除く): 10772200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 181, 244, 305, 340, 362, 488, 610, 680, 724, 905, 1037, 1220, 1448, 1810, 2074, 2440, 3077, 3620, 4148, 5185, 6154, 7240, 8296, 10370, 11041, 12308, 15385, 20740, 22082, 24616, 30770, 41480, 44164, 55205, 61540, 88328, 110410, 123080, 187697, 220820, 375394, 441640, 750788, 938485, 1501576, 1876970, 3753940, 7507880]

約数ペア:

[(1, 7507880), (2, 3753940), (4, 1876970), (5, 1501576), (8, 938485), (10, 750788), (17, 441640), (20, 375394), (34, 220820), (40, 187697), (61, 123080), (68, 110410), (85, 88328), (122, 61540), (136, 55205), (170, 44164), (181, 41480), (244, 30770), (305, 24616), (340, 22082), (362, 20740), (488, 15385), (610, 12308), (680, 11041), (724, 10370), (905, 8296), (1037, 7240), (1220, 6154), (1448, 5185), (1810, 4148), (2074, 3620), (2440, 3077)]