1216020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1559}}^1$

素因数の和:1584

約数の個数: 48

約数和(自身を含む): 3669120

約数和(自身を除く): 2453100

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, 1559, 3118, 4677, 6236, 7795, 9354, 15590, 18708, 20267, 23385, 31180, 40534, 46770, 60801, 81068, 93540, 101335, 121602, 202670, 243204, 304005, 405340, 608010, 1216020]

約数ペア:

[(1, 1216020), (2, 608010), (3, 405340), (4, 304005), (5, 243204), (6, 202670), (10, 121602), (12, 101335), (13, 93540), (15, 81068), (20, 60801), (26, 46770), (30, 40534), (39, 31180), (52, 23385), (60, 20267), (65, 18708), (78, 15590), (130, 9354), (156, 7795), (195, 6236), (260, 4677), (390, 3118), (780, 1559)]