315079520

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{281321}}^1$

素因数の和:281343

約数の個数: 48

約数和(自身を含む): 850717728

約数和(自身を除く): 535638208

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 281321, 562642, 1125284, 1406605, 1969247, 2250568, 2813210, 3938494, 4501136, 5626420, 7876988, 9002272, 9846235, 11252840, 15753976, 19692470, 22505680, 31507952, 39384940, 45011360, 63015904, 78769880, 157539760, 315079520]

約数ペア:

[(1, 315079520), (2, 157539760), (4, 78769880), (5, 63015904), (7, 45011360), (8, 39384940), (10, 31507952), (14, 22505680), (16, 19692470), (20, 15753976), (28, 11252840), (32, 9846235), (35, 9002272), (40, 7876988), (56, 5626420), (70, 4501136), (80, 3938494), (112, 2813210), (140, 2250568), (160, 1969247), (224, 1406605), (280, 1125284), (560, 562642), (1120, 281321)]