1330873840

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{821}}^1\times {\mathrm{881}}^1$

素因数の和:1738

約数の個数: 80

約数和(自身を含む): 3236417856

約数和(自身を除く): 1905544016

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 821, 881, 920, 1642, 1762, 1840, 3284, 3524, 4105, 4405, 6568, 7048, 8210, 8810, 13136, 14096, 16420, 17620, 18883, 20263, 32840, 35240, 37766, 40526, 65680, 70480, 75532, 81052, 94415, 101315, 151064, 162104, 188830, 202630, 302128, 324208, 377660, 405260, 723301, 755320, 810520, 1446602, 1510640, 1621040, 2893204, 3616505, 5786408, 7233010, 11572816, 14466020, 16635923, 28932040, 33271846, 57864080, 66543692, 83179615, 133087384, 166359230, 266174768, 332718460, 665436920, 1330873840]

約数ペア:

[(1, 1330873840), (2, 665436920), (4, 332718460), (5, 266174768), (8, 166359230), (10, 133087384), (16, 83179615), (20, 66543692), (23, 57864080), (40, 33271846), (46, 28932040), (80, 16635923), (92, 14466020), (115, 11572816), (184, 7233010), (230, 5786408), (368, 3616505), (460, 2893204), (821, 1621040), (881, 1510640), (920, 1446602), (1642, 810520), (1762, 755320), (1840, 723301), (3284, 405260), (3524, 377660), (4105, 324208), (4405, 302128), (6568, 202630), (7048, 188830), (8210, 162104), (8810, 151064), (13136, 101315), (14096, 94415), (16420, 81052), (17620, 75532), (18883, 70480), (20263, 65680), (32840, 40526), (35240, 37766)]