219883920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{916183}}^1$

素因数の和:916199

約数の個数: 40

約数和(自身を含む): 681640896

約数和(自身を除く): 461756976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 916183, 1832366, 2748549, 3664732, 4580915, 5497098, 7329464, 9161830, 10994196, 13742745, 14658928, 18323660, 21988392, 27485490, 36647320, 43976784, 54970980, 73294640, 109941960, 219883920]

約数ペア:

[(1, 219883920), (2, 109941960), (3, 73294640), (4, 54970980), (5, 43976784), (6, 36647320), (8, 27485490), (10, 21988392), (12, 18323660), (15, 14658928), (16, 13742745), (20, 10994196), (24, 9161830), (30, 7329464), (40, 5497098), (48, 4580915), (60, 3664732), (80, 2748549), (120, 1832366), (240, 916183)]