74640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{311}}^1$

素因数の和:327

約数の個数: 40

約数和(自身を含む): 232128

約数和(自身を除く): 157488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 311, 622, 933, 1244, 1555, 1866, 2488, 3110, 3732, 4665, 4976, 6220, 7464, 9330, 12440, 14928, 18660, 24880, 37320, 74640]

約数ペア:

[(1, 74640), (2, 37320), (3, 24880), (4, 18660), (5, 14928), (6, 12440), (8, 9330), (10, 7464), (12, 6220), (15, 4976), (16, 4665), (20, 3732), (24, 3110), (30, 2488), (40, 1866), (48, 1555), (60, 1244), (80, 933), (120, 622), (240, 311)]