19680120

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{54667}}^1$

素因数の和:54684

約数の個数: 48

約数和(自身を含む): 63961560

約数和(自身を除く): 44281440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 54667, 109334, 164001, 218668, 273335, 328002, 437336, 492003, 546670, 656004, 820005, 984006, 1093340, 1312008, 1640010, 1968012, 2186680, 2460015, 3280020, 3936024, 4920030, 6560040, 9840060, 19680120]

約数ペア:

[(1, 19680120), (2, 9840060), (3, 6560040), (4, 4920030), (5, 3936024), (6, 3280020), (8, 2460015), (9, 2186680), (10, 1968012), (12, 1640010), (15, 1312008), (18, 1093340), (20, 984006), (24, 820005), (30, 656004), (36, 546670), (40, 492003), (45, 437336), (60, 328002), (72, 273335), (90, 218668), (120, 164001), (180, 109334), (360, 54667)]