291120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1213}}^1$

素因数の和:1229

約数の個数: 40

約数和(自身を含む): 903216

約数和(自身を除く): 612096

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1213, 2426, 3639, 4852, 6065, 7278, 9704, 12130, 14556, 18195, 19408, 24260, 29112, 36390, 48520, 58224, 72780, 97040, 145560, 291120]

約数ペア:

[(1, 291120), (2, 145560), (3, 97040), (4, 72780), (5, 58224), (6, 48520), (8, 36390), (10, 29112), (12, 24260), (15, 19408), (16, 18195), (20, 14556), (24, 12130), (30, 9704), (40, 7278), (48, 6065), (60, 4852), (80, 3639), (120, 2426), (240, 1213)]