128861250

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{4909}}^1$

素因数の和:4941

約数の個数: 80

約数和(自身を含む): 368132160

約数和(自身を除く): 239270910

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 50, 70, 75, 105, 125, 150, 175, 210, 250, 350, 375, 525, 625, 750, 875, 1050, 1250, 1750, 1875, 2625, 3750, 4375, 4909, 5250, 8750, 9818, 13125, 14727, 24545, 26250, 29454, 34363, 49090, 68726, 73635, 103089, 122725, 147270, 171815, 206178, 245450, 343630, 368175, 515445, 613625, 736350, 859075, 1030890, 1227250, 1718150, 1840875, 2577225, 3068125, 3681750, 4295375, 5154450, 6136250, 8590750, 9204375, 12886125, 18408750, 21476875, 25772250, 42953750, 64430625, 128861250]

約数ペア:

[(1, 128861250), (2, 64430625), (3, 42953750), (5, 25772250), (6, 21476875), (7, 18408750), (10, 12886125), (14, 9204375), (15, 8590750), (21, 6136250), (25, 5154450), (30, 4295375), (35, 3681750), (42, 3068125), (50, 2577225), (70, 1840875), (75, 1718150), (105, 1227250), (125, 1030890), (150, 859075), (175, 736350), (210, 613625), (250, 515445), (350, 368175), (375, 343630), (525, 245450), (625, 206178), (750, 171815), (875, 147270), (1050, 122725), (1250, 103089), (1750, 73635), (1875, 68726), (2625, 49090), (3750, 34363), (4375, 29454), (4909, 26250), (5250, 24545), (8750, 14727), (9818, 13125)]