81296520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677471}}^1$

素因数の和:677485

約数の個数: 32

約数和(自身を含む): 243889920

約数和(自身を除く): 162593400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677471, 1354942, 2032413, 2709884, 3387355, 4064826, 5419768, 6774710, 8129652, 10162065, 13549420, 16259304, 20324130, 27098840, 40648260, 81296520]

約数ペア:

[(1, 81296520), (2, 40648260), (3, 27098840), (4, 20324130), (5, 16259304), (6, 13549420), (8, 10162065), (10, 8129652), (12, 6774710), (15, 5419768), (20, 4064826), (24, 3387355), (30, 2709884), (40, 2032413), (60, 1354942), (120, 677471)]