15090760

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 21197240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 349, 376, 460, 470, 698, 920, 940, 1081, 1396, 1745, 1880, 2162, 2792, 3490, 4324, 5405, 6980, 8027, 8648, 10810, 13960, 16054, 16403, 21620, 32108, 32806, 40135, 43240, 64216, 65612, 80270, 82015, 131224, 160540, 164030, 321080, 328060, 377269, 656120, 754538, 1509076, 1886345, 3018152, 3772690, 7545380, 15090760]

約数ペア:

[(1, 15090760), (2, 7545380), (4, 3772690), (5, 3018152), (8, 1886345), (10, 1509076), (20, 754538), (23, 656120), (40, 377269), (46, 328060), (47, 321080), (92, 164030), (94, 160540), (115, 131224), (184, 82015), (188, 80270), (230, 65612), (235, 64216), (349, 43240), (376, 40135), (460, 32806), (470, 32108), (698, 21620), (920, 16403), (940, 16054), (1081, 13960), (1396, 10810), (1745, 8648), (1880, 8027), (2162, 6980), (2792, 5405), (3490, 4324)]