67440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{281}}^1$

素因数の和:297

約数の個数: 40

約数和(自身を含む): 209808

約数和(自身を除く): 142368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 281, 562, 843, 1124, 1405, 1686, 2248, 2810, 3372, 4215, 4496, 5620, 6744, 8430, 11240, 13488, 16860, 22480, 33720, 67440]

約数ペア:

[(1, 67440), (2, 33720), (3, 22480), (4, 16860), (5, 13488), (6, 11240), (8, 8430), (10, 6744), (12, 5620), (15, 4496), (16, 4215), (20, 3372), (24, 2810), (30, 2248), (40, 1686), (48, 1405), (60, 1124), (80, 843), (120, 562), (240, 281)]