15993340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{523}}^1$

素因数の和:682

約数の個数: 48

約数和(自身を含む): 36973440

約数和(自身を除く): 20980100

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 523, 556, 695, 1046, 1390, 1529, 2092, 2615, 2780, 3058, 5230, 5753, 6116, 7645, 10460, 11506, 15290, 23012, 28765, 30580, 57530, 72697, 115060, 145394, 290788, 363485, 726970, 799667, 1453940, 1599334, 3198668, 3998335, 7996670, 15993340]

約数ペア:

[(1, 15993340), (2, 7996670), (4, 3998335), (5, 3198668), (10, 1599334), (11, 1453940), (20, 799667), (22, 726970), (44, 363485), (55, 290788), (110, 145394), (139, 115060), (220, 72697), (278, 57530), (523, 30580), (556, 28765), (695, 23012), (1046, 15290), (1390, 11506), (1529, 10460), (2092, 7645), (2615, 6116), (2780, 5753), (3058, 5230)]