15418040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{523}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 38482560

約数和(自身を除く): 23064520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 523, 536, 670, 737, 1046, 1340, 1474, 2092, 2615, 2680, 2948, 3685, 4184, 5230, 5753, 5896, 7370, 10460, 11506, 14740, 20920, 23012, 28765, 29480, 35041, 46024, 57530, 70082, 115060, 140164, 175205, 230120, 280328, 350410, 385451, 700820, 770902, 1401640, 1541804, 1927255, 3083608, 3854510, 7709020, 15418040]

約数ペア:

[(1, 15418040), (2, 7709020), (4, 3854510), (5, 3083608), (8, 1927255), (10, 1541804), (11, 1401640), (20, 770902), (22, 700820), (40, 385451), (44, 350410), (55, 280328), (67, 230120), (88, 175205), (110, 140164), (134, 115060), (220, 70082), (268, 57530), (335, 46024), (440, 35041), (523, 29480), (536, 28765), (670, 23012), (737, 20920), (1046, 14740), (1340, 11506), (1474, 10460), (2092, 7370), (2615, 5896), (2680, 5753), (2948, 5230), (3685, 4184)]