218879520

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{455999}}^1$

素因数の和:456017

約数の個数: 48

約数和(自身を含む): 689472000

約数和(自身を除く): 470592480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 455999, 911998, 1367997, 1823996, 2279995, 2735994, 3647992, 4559990, 5471988, 6839985, 7295984, 9119980, 10943976, 13679970, 14591968, 18239960, 21887952, 27359940, 36479920, 43775904, 54719880, 72959840, 109439760, 218879520]

約数ペア:

[(1, 218879520), (2, 109439760), (3, 72959840), (4, 54719880), (5, 43775904), (6, 36479920), (8, 27359940), (10, 21887952), (12, 18239960), (15, 14591968), (16, 13679970), (20, 10943976), (24, 9119980), (30, 7295984), (32, 6839985), (40, 5471988), (48, 4559990), (60, 3647992), (80, 2735994), (96, 2279995), (120, 1823996), (160, 1367997), (240, 911998), (480, 455999)]