15124660

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 33339600

約数和(自身を除く): 18214940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 293, 356, 445, 580, 586, 890, 1172, 1465, 1780, 2581, 2930, 5162, 5860, 8497, 10324, 12905, 16994, 25810, 26077, 33988, 42485, 51620, 52154, 84970, 104308, 130385, 169940, 260770, 521540, 756233, 1512466, 3024932, 3781165, 7562330, 15124660]

約数ペア:

[(1, 15124660), (2, 7562330), (4, 3781165), (5, 3024932), (10, 1512466), (20, 756233), (29, 521540), (58, 260770), (89, 169940), (116, 130385), (145, 104308), (178, 84970), (290, 52154), (293, 51620), (356, 42485), (445, 33988), (580, 26077), (586, 25810), (890, 16994), (1172, 12905), (1465, 10324), (1780, 8497), (2581, 5860), (2930, 5162)]