205561380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{180317}}^1$

素因数の和:180348

約数の個数: 48

約数和(自身を含む): 605868480

約数和(自身を除く): 400307100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 38, 57, 60, 76, 95, 114, 190, 228, 285, 380, 570, 1140, 180317, 360634, 540951, 721268, 901585, 1081902, 1803170, 2163804, 2704755, 3426023, 3606340, 5409510, 6852046, 10278069, 10819020, 13704092, 17130115, 20556138, 34260230, 41112276, 51390345, 68520460, 102780690, 205561380]

約数ペア:

[(1, 205561380), (2, 102780690), (3, 68520460), (4, 51390345), (5, 41112276), (6, 34260230), (10, 20556138), (12, 17130115), (15, 13704092), (19, 10819020), (20, 10278069), (30, 6852046), (38, 5409510), (57, 3606340), (60, 3426023), (76, 2704755), (95, 2163804), (114, 1803170), (190, 1081902), (228, 901585), (285, 721268), (380, 540951), (570, 360634), (1140, 180317)]