19380120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{5569}}^1$

素因数の和:5612

約数の個数: 64

約数和(自身を含む): 60156000

約数和(自身を除く): 40775880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 5569, 11138, 16707, 22276, 27845, 33414, 44552, 55690, 66828, 83535, 111380, 133656, 161501, 167070, 222760, 323002, 334140, 484503, 646004, 668280, 807505, 969006, 1292008, 1615010, 1938012, 2422515, 3230020, 3876024, 4845030, 6460040, 9690060, 19380120]

約数ペア:

[(1, 19380120), (2, 9690060), (3, 6460040), (4, 4845030), (5, 3876024), (6, 3230020), (8, 2422515), (10, 1938012), (12, 1615010), (15, 1292008), (20, 969006), (24, 807505), (29, 668280), (30, 646004), (40, 484503), (58, 334140), (60, 323002), (87, 222760), (116, 167070), (120, 161501), (145, 133656), (174, 111380), (232, 83535), (290, 66828), (348, 55690), (435, 44552), (580, 33414), (696, 27845), (870, 22276), (1160, 16707), (1740, 11138), (3480, 5569)]