15789620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{10253}}^1$

素因数の和:10280

約数の個数: 48

約数和(自身を含む): 41344128

約数和(自身を除く): 25554508

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 10253, 20506, 41012, 51265, 71771, 102530, 112783, 143542, 205060, 225566, 287084, 358855, 451132, 563915, 717710, 789481, 1127830, 1435420, 1578962, 2255660, 3157924, 3947405, 7894810, 15789620]

約数ペア:

[(1, 15789620), (2, 7894810), (4, 3947405), (5, 3157924), (7, 2255660), (10, 1578962), (11, 1435420), (14, 1127830), (20, 789481), (22, 717710), (28, 563915), (35, 451132), (44, 358855), (55, 287084), (70, 225566), (77, 205060), (110, 143542), (140, 112783), (154, 102530), (220, 71771), (308, 51265), (385, 41012), (770, 20506), (1540, 10253)]