128354640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{534811}}^1$

素因数の和:534827

約数の個数: 40

約数和(自身を含む): 397900128

約数和(自身を除く): 269545488

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 534811, 1069622, 1604433, 2139244, 2674055, 3208866, 4278488, 5348110, 6417732, 8022165, 8556976, 10696220, 12835464, 16044330, 21392440, 25670928, 32088660, 42784880, 64177320, 128354640]

約数ペア:

[(1, 128354640), (2, 64177320), (3, 42784880), (4, 32088660), (5, 25670928), (6, 21392440), (8, 16044330), (10, 12835464), (12, 10696220), (15, 8556976), (16, 8022165), (20, 6417732), (24, 5348110), (30, 4278488), (40, 3208866), (48, 2674055), (60, 2139244), (80, 1604433), (120, 1069622), (240, 534811)]