1968750

素因数分解:

$2^1\times 3^2\times 5^6\times 7^1$

素因数の和:45

約数の個数: 84

約数和(自身を含む): 6093672

約数和(自身を除く): 4124922

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 125, 126, 150, 175, 210, 225, 250, 315, 350, 375, 450, 525, 625, 630, 750, 875, 1050, 1125, 1250, 1575, 1750, 1875, 2250, 2625, 3125, 3150, 3750, 4375, 5250, 5625, 6250, 7875, 8750, 9375, 11250, 13125, 15625, 15750, 18750, 21875, 26250, 28125, 31250, 39375, 43750, 46875, 56250, 65625, 78750, 93750, 109375, 131250, 140625, 196875, 218750, 281250, 328125, 393750, 656250, 984375, 1968750]

約数ペア:

[(1, 1968750), (2, 984375), (3, 656250), (5, 393750), (6, 328125), (7, 281250), (9, 218750), (10, 196875), (14, 140625), (15, 131250), (18, 109375), (21, 93750), (25, 78750), (30, 65625), (35, 56250), (42, 46875), (45, 43750), (50, 39375), (63, 31250), (70, 28125), (75, 26250), (90, 21875), (105, 18750), (125, 15750), (126, 15625), (150, 13125), (175, 11250), (210, 9375), (225, 8750), (250, 7875), (315, 6250), (350, 5625), (375, 5250), (450, 4375), (525, 3750), (625, 3150), (630, 3125), (750, 2625), (875, 2250), (1050, 1875), (1125, 1750), (1250, 1575)]