315827680

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{281989}}^1$

素因数の和:282011

約数の個数: 48

約数和(自身を含む): 852737760

約数和(自身を除く): 536910080

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, 281989, 563978, 1127956, 1409945, 1973923, 2255912, 2819890, 3947846, 4511824, 5639780, 7895692, 9023648, 9869615, 11279560, 15791384, 19739230, 22559120, 31582768, 39478460, 45118240, 63165536, 78956920, 157913840, 315827680]

約数ペア:

[(1, 315827680), (2, 157913840), (4, 78956920), (5, 63165536), (7, 45118240), (8, 39478460), (10, 31582768), (14, 22559120), (16, 19739230), (20, 15791384), (28, 11279560), (32, 9869615), (35, 9023648), (40, 7895692), (56, 5639780), (70, 4511824), (80, 3947846), (112, 2819890), (140, 2255912), (160, 1973923), (224, 1409945), (280, 1127956), (560, 563978), (1120, 281989)]