1296407860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{3187}}^1$

素因数の和:3293

約数の個数: 72

約数和(自身を含む): 3041581536

約数和(自身を除く): 1745173676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 43, 44, 55, 86, 110, 172, 215, 220, 430, 473, 860, 946, 1849, 1892, 2365, 3187, 3698, 4730, 6374, 7396, 9245, 9460, 12748, 15935, 18490, 20339, 31870, 35057, 36980, 40678, 63740, 70114, 81356, 101695, 137041, 140228, 175285, 203390, 274082, 350570, 406780, 548164, 685205, 701140, 1370410, 1507451, 2740820, 3014902, 5892763, 6029804, 7537255, 11785526, 15074510, 23571052, 29463815, 30149020, 58927630, 64820393, 117855260, 129640786, 259281572, 324101965, 648203930, 1296407860]

約数ペア:

[(1, 1296407860), (2, 648203930), (4, 324101965), (5, 259281572), (10, 129640786), (11, 117855260), (20, 64820393), (22, 58927630), (43, 30149020), (44, 29463815), (55, 23571052), (86, 15074510), (110, 11785526), (172, 7537255), (215, 6029804), (220, 5892763), (430, 3014902), (473, 2740820), (860, 1507451), (946, 1370410), (1849, 701140), (1892, 685205), (2365, 548164), (3187, 406780), (3698, 350570), (4730, 274082), (6374, 203390), (7396, 175285), (9245, 140228), (9460, 137041), (12748, 101695), (15935, 81356), (18490, 70114), (20339, 63740), (31870, 40678), (35057, 36980)]