15142640

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 80

約数和(自身を含む): 37363680

約数和(自身を除く): 22221040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 61, 80, 107, 116, 122, 145, 214, 232, 244, 290, 305, 428, 464, 488, 535, 580, 610, 856, 976, 1070, 1160, 1220, 1712, 1769, 2140, 2320, 2440, 3103, 3538, 4280, 4880, 6206, 6527, 7076, 8560, 8845, 12412, 13054, 14152, 15515, 17690, 24824, 26108, 28304, 31030, 32635, 35380, 49648, 52216, 62060, 65270, 70760, 104432, 124120, 130540, 141520, 189283, 248240, 261080, 378566, 522160, 757132, 946415, 1514264, 1892830, 3028528, 3785660, 7571320, 15142640]

約数ペア:

[(1, 15142640), (2, 7571320), (4, 3785660), (5, 3028528), (8, 1892830), (10, 1514264), (16, 946415), (20, 757132), (29, 522160), (40, 378566), (58, 261080), (61, 248240), (80, 189283), (107, 141520), (116, 130540), (122, 124120), (145, 104432), (214, 70760), (232, 65270), (244, 62060), (290, 52216), (305, 49648), (428, 35380), (464, 32635), (488, 31030), (535, 28304), (580, 26108), (610, 24824), (856, 17690), (976, 15515), (1070, 14152), (1160, 13054), (1220, 12412), (1712, 8845), (1769, 8560), (2140, 7076), (2320, 6527), (2440, 6206), (3103, 4880), (3538, 4280)]