15420090

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{757}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 42787584

約数和(自身を除く): 27367494

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 97, 105, 194, 210, 291, 485, 582, 679, 757, 970, 1358, 1455, 1514, 2037, 2271, 2910, 3395, 3785, 4074, 4542, 5299, 6790, 7570, 10185, 10598, 11355, 15897, 20370, 22710, 26495, 31794, 52990, 73429, 79485, 146858, 158970, 220287, 367145, 440574, 514003, 734290, 1028006, 1101435, 1542009, 2202870, 2570015, 3084018, 5140030, 7710045, 15420090]

約数ペア:

[(1, 15420090), (2, 7710045), (3, 5140030), (5, 3084018), (6, 2570015), (7, 2202870), (10, 1542009), (14, 1101435), (15, 1028006), (21, 734290), (30, 514003), (35, 440574), (42, 367145), (70, 220287), (97, 158970), (105, 146858), (194, 79485), (210, 73429), (291, 52990), (485, 31794), (582, 26495), (679, 22710), (757, 20370), (970, 15897), (1358, 11355), (1455, 10598), (1514, 10185), (2037, 7570), (2271, 6790), (2910, 5299), (3395, 4542), (3785, 4074)]