397680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1657}}^1$

素因数の和:1673

約数の個数: 40

約数和(自身を含む): 1233552

約数和(自身を除く): 835872

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1657, 3314, 4971, 6628, 8285, 9942, 13256, 16570, 19884, 24855, 26512, 33140, 39768, 49710, 66280, 79536, 99420, 132560, 198840, 397680]

約数ペア:

[(1, 397680), (2, 198840), (3, 132560), (4, 99420), (5, 79536), (6, 66280), (8, 49710), (10, 39768), (12, 33140), (15, 26512), (16, 24855), (20, 19884), (24, 16570), (30, 13256), (40, 9942), (48, 8285), (60, 6628), (80, 4971), (120, 3314), (240, 1657)]