393281520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1638673}}^1$

素因数の和:1638689

約数の個数: 40

約数和(自身を含む): 1219173456

約数和(自身を除く): 825891936

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1638673, 3277346, 4916019, 6554692, 8193365, 9832038, 13109384, 16386730, 19664076, 24580095, 26218768, 32773460, 39328152, 49160190, 65546920, 78656304, 98320380, 131093840, 196640760, 393281520]

約数ペア:

[(1, 393281520), (2, 196640760), (3, 131093840), (4, 98320380), (5, 78656304), (6, 65546920), (8, 49160190), (10, 39328152), (12, 32773460), (15, 26218768), (16, 24580095), (20, 19664076), (24, 16386730), (30, 13109384), (40, 9832038), (48, 8193365), (60, 6554692), (80, 4916019), (120, 3277346), (240, 1638673)]