219398220

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{135431}}^1$

素因数の和:135452

約数の個数: 60

約数和(自身を含む): 688265424

約数和(自身を除く): 468867204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 135431, 270862, 406293, 541724, 677155, 812586, 1218879, 1354310, 1625172, 2031465, 2437758, 2708620, 3656637, 4062930, 4875516, 6094395, 7313274, 8125860, 10969911, 12188790, 14626548, 18283185, 21939822, 24377580, 36566370, 43879644, 54849555, 73132740, 109699110, 219398220]

約数ペア:

[(1, 219398220), (2, 109699110), (3, 73132740), (4, 54849555), (5, 43879644), (6, 36566370), (9, 24377580), (10, 21939822), (12, 18283185), (15, 14626548), (18, 12188790), (20, 10969911), (27, 8125860), (30, 7313274), (36, 6094395), (45, 4875516), (54, 4062930), (60, 3656637), (81, 2708620), (90, 2437758), (108, 2031465), (135, 1625172), (162, 1354310), (180, 1218879), (270, 812586), (324, 677155), (405, 541724), (540, 406293), (810, 270862), (1620, 135431)]