15181860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{631}}^1$

素因数の和:1044

約数の個数: 48

約数和(自身を含む): 42682752

約数和(自身を除く): 27500892

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 401, 631, 802, 1203, 1262, 1604, 1893, 2005, 2406, 2524, 3155, 3786, 4010, 4812, 6015, 6310, 7572, 8020, 9465, 12030, 12620, 18930, 24060, 37860, 253031, 506062, 759093, 1012124, 1265155, 1518186, 2530310, 3036372, 3795465, 5060620, 7590930, 15181860]

約数ペア:

[(1, 15181860), (2, 7590930), (3, 5060620), (4, 3795465), (5, 3036372), (6, 2530310), (10, 1518186), (12, 1265155), (15, 1012124), (20, 759093), (30, 506062), (60, 253031), (401, 37860), (631, 24060), (802, 18930), (1203, 12620), (1262, 12030), (1604, 9465), (1893, 8020), (2005, 7572), (2406, 6310), (2524, 6015), (3155, 4812), (3786, 4010)]