64970784

素因数分解:

$2^5\times 3^2\times {\mathrm{433}}^1\times {\mathrm{521}}^1$

素因数の和:970

約数の個数: 72

約数和(自身を含む): 185542812

約数和(自身を除く): 120572028

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 433, 521, 866, 1042, 1299, 1563, 1732, 2084, 2598, 3126, 3464, 3897, 4168, 4689, 5196, 6252, 6928, 7794, 8336, 9378, 10392, 12504, 13856, 15588, 16672, 18756, 20784, 25008, 31176, 37512, 41568, 50016, 62352, 75024, 124704, 150048, 225593, 451186, 676779, 902372, 1353558, 1804744, 2030337, 2707116, 3609488, 4060674, 5414232, 7218976, 8121348, 10828464, 16242696, 21656928, 32485392, 64970784]

約数ペア:

[(1, 64970784), (2, 32485392), (3, 21656928), (4, 16242696), (6, 10828464), (8, 8121348), (9, 7218976), (12, 5414232), (16, 4060674), (18, 3609488), (24, 2707116), (32, 2030337), (36, 1804744), (48, 1353558), (72, 902372), (96, 676779), (144, 451186), (288, 225593), (433, 150048), (521, 124704), (866, 75024), (1042, 62352), (1299, 50016), (1563, 41568), (1732, 37512), (2084, 31176), (2598, 25008), (3126, 20784), (3464, 18756), (3897, 16672), (4168, 15588), (4689, 13856), (5196, 12504), (6252, 10392), (6928, 9378), (7794, 8336)]