81265560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{677213}}^1$

素因数の和:677227

約数の個数: 32

約数和(自身を含む): 243797040

約数和(自身を除く): 162531480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 677213, 1354426, 2031639, 2708852, 3386065, 4063278, 5417704, 6772130, 8126556, 10158195, 13544260, 16253112, 20316390, 27088520, 40632780, 81265560]

約数ペア:

[(1, 81265560), (2, 40632780), (3, 27088520), (4, 20316390), (5, 16253112), (6, 13544260), (8, 10158195), (10, 8126556), (12, 6772130), (15, 5417704), (20, 4063278), (24, 3386065), (30, 2708852), (40, 2031639), (60, 1354426), (120, 677213)]