81607440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340031}}^1$

素因数の和:340047

約数の個数: 40

約数和(自身を含む): 252983808

約数和(自身を除く): 171376368

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340031, 680062, 1020093, 1360124, 1700155, 2040186, 2720248, 3400310, 4080372, 5100465, 5440496, 6800620, 8160744, 10200930, 13601240, 16321488, 20401860, 27202480, 40803720, 81607440]

約数ペア:

[(1, 81607440), (2, 40803720), (3, 27202480), (4, 20401860), (5, 16321488), (6, 13601240), (8, 10200930), (10, 8160744), (12, 6800620), (15, 5440496), (16, 5100465), (20, 4080372), (24, 3400310), (30, 2720248), (40, 2040186), (48, 1700155), (60, 1360124), (80, 1020093), (120, 680062), (240, 340031)]