15619620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{439}}^1\times {\mathrm{593}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 43908480

約数和(自身を除く): 28288860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 439, 593, 878, 1186, 1317, 1756, 1779, 2195, 2372, 2634, 2965, 3558, 4390, 5268, 5930, 6585, 7116, 8780, 8895, 11860, 13170, 17790, 26340, 35580, 260327, 520654, 780981, 1041308, 1301635, 1561962, 2603270, 3123924, 3904905, 5206540, 7809810, 15619620]

約数ペア:

[(1, 15619620), (2, 7809810), (3, 5206540), (4, 3904905), (5, 3123924), (6, 2603270), (10, 1561962), (12, 1301635), (15, 1041308), (20, 780981), (30, 520654), (60, 260327), (439, 35580), (593, 26340), (878, 17790), (1186, 13170), (1317, 11860), (1756, 8895), (1779, 8780), (2195, 7116), (2372, 6585), (2634, 5930), (2965, 5268), (3558, 4390)]