54975180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{70481}}^1$

素因数の和:70506

約数の個数: 48

約数和(自身を含む): 165773664

約数和(自身を除く): 110798484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 70481, 140962, 211443, 281924, 352405, 422886, 704810, 845772, 916253, 1057215, 1409620, 1832506, 2114430, 2748759, 3665012, 4228860, 4581265, 5497518, 9162530, 10995036, 13743795, 18325060, 27487590, 54975180]

約数ペア:

[(1, 54975180), (2, 27487590), (3, 18325060), (4, 13743795), (5, 10995036), (6, 9162530), (10, 5497518), (12, 4581265), (13, 4228860), (15, 3665012), (20, 2748759), (26, 2114430), (30, 1832506), (39, 1409620), (52, 1057215), (60, 916253), (65, 845772), (78, 704810), (130, 422886), (156, 352405), (195, 281924), (260, 211443), (390, 140962), (780, 70481)]