256429620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{6221}}^1$

素因数の和:6465

約数の個数: 72

約数和(自身を含む): 781358760

約数和(自身を除く): 524929140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 229, 458, 687, 916, 1145, 1374, 2061, 2290, 2748, 3435, 4122, 4580, 6221, 6870, 8244, 10305, 12442, 13740, 18663, 20610, 24884, 31105, 37326, 41220, 55989, 62210, 74652, 93315, 111978, 124420, 186630, 223956, 279945, 373260, 559890, 1119780, 1424609, 2849218, 4273827, 5698436, 7123045, 8547654, 12821481, 14246090, 17095308, 21369135, 25642962, 28492180, 42738270, 51285924, 64107405, 85476540, 128214810, 256429620]

約数ペア:

[(1, 256429620), (2, 128214810), (3, 85476540), (4, 64107405), (5, 51285924), (6, 42738270), (9, 28492180), (10, 25642962), (12, 21369135), (15, 17095308), (18, 14246090), (20, 12821481), (30, 8547654), (36, 7123045), (45, 5698436), (60, 4273827), (90, 2849218), (180, 1424609), (229, 1119780), (458, 559890), (687, 373260), (916, 279945), (1145, 223956), (1374, 186630), (2061, 124420), (2290, 111978), (2748, 93315), (3435, 74652), (4122, 62210), (4580, 55989), (6221, 41220), (6870, 37326), (8244, 31105), (10305, 24884), (12442, 20610), (13740, 18663)]