15563870

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{1381}}^1$

素因数の和:1425

約数の個数: 48

約数和(自身を含む): 34030368

約数和(自身を除く): 18466498

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 49, 70, 98, 115, 161, 230, 245, 322, 490, 805, 1127, 1381, 1610, 2254, 2762, 5635, 6905, 9667, 11270, 13810, 19334, 31763, 48335, 63526, 67669, 96670, 135338, 158815, 222341, 317630, 338345, 444682, 676690, 1111705, 1556387, 2223410, 3112774, 7781935, 15563870]

約数ペア:

[(1, 15563870), (2, 7781935), (5, 3112774), (7, 2223410), (10, 1556387), (14, 1111705), (23, 676690), (35, 444682), (46, 338345), (49, 317630), (70, 222341), (98, 158815), (115, 135338), (161, 96670), (230, 67669), (245, 63526), (322, 48335), (490, 31763), (805, 19334), (1127, 13810), (1381, 11270), (1610, 9667), (2254, 6905), (2762, 5635)]