18500280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6703}}^1$

素因数の和:6740

約数の個数: 64

約数和(自身を含む): 57922560

約数和(自身を除く): 39422280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 138, 184, 230, 276, 345, 460, 552, 690, 920, 1380, 2760, 6703, 13406, 20109, 26812, 33515, 40218, 53624, 67030, 80436, 100545, 134060, 154169, 160872, 201090, 268120, 308338, 402180, 462507, 616676, 770845, 804360, 925014, 1233352, 1541690, 1850028, 2312535, 3083380, 3700056, 4625070, 6166760, 9250140, 18500280]

約数ペア:

[(1, 18500280), (2, 9250140), (3, 6166760), (4, 4625070), (5, 3700056), (6, 3083380), (8, 2312535), (10, 1850028), (12, 1541690), (15, 1233352), (20, 925014), (23, 804360), (24, 770845), (30, 616676), (40, 462507), (46, 402180), (60, 308338), (69, 268120), (92, 201090), (115, 160872), (120, 154169), (138, 134060), (184, 100545), (230, 80436), (276, 67030), (345, 53624), (460, 40218), (552, 33515), (690, 26812), (920, 20109), (1380, 13406), (2760, 6703)]