1320706620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{815251}}^1$

素因数の和:815272

約数の個数: 60

約数和(自身を含む): 4143110664

約数和(自身を除く): 2822404044

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 815251, 1630502, 2445753, 3261004, 4076255, 4891506, 7337259, 8152510, 9783012, 12228765, 14674518, 16305020, 22011777, 24457530, 29349036, 36686295, 44023554, 48915060, 66035331, 73372590, 88047108, 110058885, 132070662, 146745180, 220117770, 264141324, 330176655, 440235540, 660353310, 1320706620]

約数ペア:

[(1, 1320706620), (2, 660353310), (3, 440235540), (4, 330176655), (5, 264141324), (6, 220117770), (9, 146745180), (10, 132070662), (12, 110058885), (15, 88047108), (18, 73372590), (20, 66035331), (27, 48915060), (30, 44023554), (36, 36686295), (45, 29349036), (54, 24457530), (60, 22011777), (81, 16305020), (90, 14674518), (108, 12228765), (135, 9783012), (162, 8152510), (180, 7337259), (270, 4891506), (324, 4076255), (405, 3261004), (540, 2445753), (810, 1630502), (1620, 815251)]