658020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{997}}^1$

素因数の和:1020

約数の個数: 48

約数和(自身を含む): 2011968

約数和(自身を除く): 1353948

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 997, 1994, 2991, 3988, 4985, 5982, 9970, 10967, 11964, 14955, 19940, 21934, 29910, 32901, 43868, 54835, 59820, 65802, 109670, 131604, 164505, 219340, 329010, 658020]

約数ペア:

[(1, 658020), (2, 329010), (3, 219340), (4, 164505), (5, 131604), (6, 109670), (10, 65802), (11, 59820), (12, 54835), (15, 43868), (20, 32901), (22, 29910), (30, 21934), (33, 19940), (44, 14955), (55, 11964), (60, 10967), (66, 9970), (110, 5982), (132, 4985), (165, 3988), (220, 2991), (330, 1994), (660, 997)]