13781820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17669}}^1$

素因数の和:17694

約数の個数: 48

約数和(自身を含む): 41559840

約数和(自身を除く): 27778020

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 17669, 35338, 53007, 70676, 88345, 106014, 176690, 212028, 229697, 265035, 353380, 459394, 530070, 689091, 918788, 1060140, 1148485, 1378182, 2296970, 2756364, 3445455, 4593940, 6890910, 13781820]

約数ペア:

[(1, 13781820), (2, 6890910), (3, 4593940), (4, 3445455), (5, 2756364), (6, 2296970), (10, 1378182), (12, 1148485), (13, 1060140), (15, 918788), (20, 689091), (26, 530070), (30, 459394), (39, 353380), (52, 265035), (60, 229697), (65, 212028), (78, 176690), (130, 106014), (156, 88345), (195, 70676), (260, 53007), (390, 35338), (780, 17669)]