84780120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{5563}}^1$

素因数の和:5704

約数の個数: 64

約数和(自身を含む): 256389120

約数和(自身を除く): 171609000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1524, 1905, 2540, 3048, 3810, 5080, 5563, 7620, 11126, 15240, 16689, 22252, 27815, 33378, 44504, 55630, 66756, 83445, 111260, 133512, 166890, 222520, 333780, 667560, 706501, 1413002, 2119503, 2826004, 3532505, 4239006, 5652008, 7065010, 8478012, 10597515, 14130020, 16956024, 21195030, 28260040, 42390060, 84780120]

約数ペア:

[(1, 84780120), (2, 42390060), (3, 28260040), (4, 21195030), (5, 16956024), (6, 14130020), (8, 10597515), (10, 8478012), (12, 7065010), (15, 5652008), (20, 4239006), (24, 3532505), (30, 2826004), (40, 2119503), (60, 1413002), (120, 706501), (127, 667560), (254, 333780), (381, 222520), (508, 166890), (635, 133512), (762, 111260), (1016, 83445), (1270, 66756), (1524, 55630), (1905, 44504), (2540, 33378), (3048, 27815), (3810, 22252), (5080, 16689), (5563, 15240), (7620, 11126)]