61781680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{33577}}^1$

素因数の和:33613

約数の個数: 40

約数和(自身を含む): 149892192

約数和(自身を除く): 88110512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 33577, 67154, 134308, 167885, 268616, 335770, 537232, 671540, 772271, 1343080, 1544542, 2686160, 3089084, 3861355, 6178168, 7722710, 12356336, 15445420, 30890840, 61781680]

約数ペア:

[(1, 61781680), (2, 30890840), (4, 15445420), (5, 12356336), (8, 7722710), (10, 6178168), (16, 3861355), (20, 3089084), (23, 2686160), (40, 1544542), (46, 1343080), (80, 772271), (92, 671540), (115, 537232), (184, 335770), (230, 268616), (368, 167885), (460, 134308), (920, 67154), (1840, 33577)]