1613120

素因数分解:

$2^6\times 5^1\times {\mathrm{71}}^2$

素因数の和:159

約数の個数: 42

約数和(自身を含む): 3896106

約数和(自身を除く): 2282986

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 142, 160, 284, 320, 355, 568, 710, 1136, 1420, 2272, 2840, 4544, 5041, 5680, 10082, 11360, 20164, 22720, 25205, 40328, 50410, 80656, 100820, 161312, 201640, 322624, 403280, 806560, 1613120]

約数ペア:

[(1, 1613120), (2, 806560), (4, 403280), (5, 322624), (8, 201640), (10, 161312), (16, 100820), (20, 80656), (32, 50410), (40, 40328), (64, 25205), (71, 22720), (80, 20164), (142, 11360), (160, 10082), (284, 5680), (320, 5041), (355, 4544), (568, 2840), (710, 2272), (1136, 1420)]