201520620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{159937}}^1$

素因数の和:159959

約数の個数: 72

約数和(自身を含む): 698609184

約数和(自身を除く): 497088564

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 159937, 319874, 479811, 639748, 799685, 959622, 1119559, 1439433, 1599370, 1919244, 2239118, 2399055, 2878866, 3198740, 3358677, 4478236, 4798110, 5597795, 5757732, 6717354, 7197165, 9596220, 10076031, 11195590, 13434708, 14394330, 16793385, 20152062, 22391180, 28788660, 33586770, 40304124, 50380155, 67173540, 100760310, 201520620]

約数ペア:

[(1, 201520620), (2, 100760310), (3, 67173540), (4, 50380155), (5, 40304124), (6, 33586770), (7, 28788660), (9, 22391180), (10, 20152062), (12, 16793385), (14, 14394330), (15, 13434708), (18, 11195590), (20, 10076031), (21, 9596220), (28, 7197165), (30, 6717354), (35, 5757732), (36, 5597795), (42, 4798110), (45, 4478236), (60, 3358677), (63, 3198740), (70, 2878866), (84, 2399055), (90, 2239118), (105, 1919244), (126, 1599370), (140, 1439433), (180, 1119559), (210, 959622), (252, 799685), (315, 639748), (420, 479811), (630, 319874), (1260, 159937)]