139534880

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^2\times {\mathrm{173}}^1$

素因数の和:330

約数の個数: 72

約数和(自身を含む): 336292236

約数和(自身を除く): 196757356

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 80, 142, 160, 173, 284, 346, 355, 568, 692, 710, 865, 1136, 1384, 1420, 1730, 2272, 2768, 2840, 3460, 5041, 5536, 5680, 6920, 10082, 11360, 12283, 13840, 20164, 24566, 25205, 27680, 40328, 49132, 50410, 61415, 80656, 98264, 100820, 122830, 161312, 196528, 201640, 245660, 393056, 403280, 491320, 806560, 872093, 982640, 1744186, 1965280, 3488372, 4360465, 6976744, 8720930, 13953488, 17441860, 27906976, 34883720, 69767440, 139534880]

約数ペア:

[(1, 139534880), (2, 69767440), (4, 34883720), (5, 27906976), (8, 17441860), (10, 13953488), (16, 8720930), (20, 6976744), (32, 4360465), (40, 3488372), (71, 1965280), (80, 1744186), (142, 982640), (160, 872093), (173, 806560), (284, 491320), (346, 403280), (355, 393056), (568, 245660), (692, 201640), (710, 196528), (865, 161312), (1136, 122830), (1384, 100820), (1420, 98264), (1730, 80656), (2272, 61415), (2768, 50410), (2840, 49132), (3460, 40328), (5041, 27680), (5536, 25205), (5680, 24566), (6920, 20164), (10082, 13840), (11360, 12283)]