661860120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{5515501}}^1$

素因数の和:5515515

約数の個数: 32

約数和(自身を含む): 1985580720

約数和(自身を除く): 1323720600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 5515501, 11031002, 16546503, 22062004, 27577505, 33093006, 44124008, 55155010, 66186012, 82732515, 110310020, 132372024, 165465030, 220620040, 330930060, 661860120]

約数ペア:

[(1, 661860120), (2, 330930060), (3, 220620040), (4, 165465030), (5, 132372024), (6, 110310020), (8, 82732515), (10, 66186012), (12, 55155010), (15, 44124008), (20, 33093006), (24, 27577505), (30, 22062004), (40, 16546503), (60, 11031002), (120, 5515501)]