68949440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{30781}}^1$

素因数の和:30805

約数の個数: 56

約数和(自身を含む): 187647072

約数和(自身を除く): 118697632

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 30781, 61562, 123124, 153905, 215467, 246248, 307810, 430934, 492496, 615620, 861868, 984992, 1077335, 1231240, 1723736, 1969984, 2154670, 2462480, 3447472, 4309340, 4924960, 6894944, 8618680, 9849920, 13789888, 17237360, 34474720, 68949440]

約数ペア:

[(1, 68949440), (2, 34474720), (4, 17237360), (5, 13789888), (7, 9849920), (8, 8618680), (10, 6894944), (14, 4924960), (16, 4309340), (20, 3447472), (28, 2462480), (32, 2154670), (35, 1969984), (40, 1723736), (56, 1231240), (64, 1077335), (70, 984992), (80, 861868), (112, 615620), (140, 492496), (160, 430934), (224, 307810), (280, 246248), (320, 215467), (448, 153905), (560, 123124), (1120, 61562), (2240, 30781)]