15014780780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{288413}}^1$

素因数の和:288578

約数の個数: 48

約数和(自身を含む): 33432950880

約数和(自身を除く): 18418170100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 1370, 2603, 2740, 5206, 10412, 13015, 26030, 52060, 288413, 576826, 1153652, 1442065, 2884130, 5479847, 5768260, 10959694, 21919388, 27399235, 39512581, 54798470, 79025162, 109596940, 158050324, 197562905, 395125810, 750739039, 790251620, 1501478078, 3002956156, 3753695195, 7507390390, 15014780780]

約数ペア:

[(1, 15014780780), (2, 7507390390), (4, 3753695195), (5, 3002956156), (10, 1501478078), (19, 790251620), (20, 750739039), (38, 395125810), (76, 197562905), (95, 158050324), (137, 109596940), (190, 79025162), (274, 54798470), (380, 39512581), (548, 27399235), (685, 21919388), (1370, 10959694), (2603, 5768260), (2740, 5479847), (5206, 2884130), (10412, 1442065), (13015, 1153652), (26030, 576826), (52060, 288413)]