80640645

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{5701}}^1$

素因数の和:5773

約数の個数: 32

約数和(自身を含む): 137942784

約数和(自身を除く): 57302139

約数列:

[1, 3, 5, 15, 23, 41, 69, 115, 123, 205, 345, 615, 943, 2829, 4715, 5701, 14145, 17103, 28505, 85515, 131123, 233741, 393369, 655615, 701223, 1168705, 1966845, 3506115, 5376043, 16128129, 26880215, 80640645]

約数ペア:

[(1, 80640645), (3, 26880215), (5, 16128129), (15, 5376043), (23, 3506115), (41, 1966845), (69, 1168705), (115, 701223), (123, 655615), (205, 393369), (345, 233741), (615, 131123), (943, 85515), (2829, 28505), (4715, 17103), (5701, 14145)]