15212970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3931}}^1$

素因数の和:3987

約数の個数: 48

約数和(自身を含む): 40483872

約数和(自身を除く): 25270902

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 86, 90, 129, 215, 258, 387, 430, 645, 774, 1290, 1935, 3870, 3931, 7862, 11793, 19655, 23586, 35379, 39310, 58965, 70758, 117930, 169033, 176895, 338066, 353790, 507099, 845165, 1014198, 1521297, 1690330, 2535495, 3042594, 5070990, 7606485, 15212970]

約数ペア:

[(1, 15212970), (2, 7606485), (3, 5070990), (5, 3042594), (6, 2535495), (9, 1690330), (10, 1521297), (15, 1014198), (18, 845165), (30, 507099), (43, 353790), (45, 338066), (86, 176895), (90, 169033), (129, 117930), (215, 70758), (258, 58965), (387, 39310), (430, 35379), (645, 23586), (774, 19655), (1290, 11793), (1935, 7862), (3870, 3931)]