15263720

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{353}}^1$

素因数の和:434

約数の個数: 64

約数和(自身を含む): 36702720

約数和(自身を除く): 21439000

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 47, 92, 94, 115, 184, 188, 230, 235, 353, 376, 460, 470, 706, 920, 940, 1081, 1412, 1765, 1880, 2162, 2824, 3530, 4324, 5405, 7060, 8119, 8648, 10810, 14120, 16238, 16591, 21620, 32476, 33182, 40595, 43240, 64952, 66364, 81190, 82955, 132728, 162380, 165910, 324760, 331820, 381593, 663640, 763186, 1526372, 1907965, 3052744, 3815930, 7631860, 15263720]

約数ペア:

[(1, 15263720), (2, 7631860), (4, 3815930), (5, 3052744), (8, 1907965), (10, 1526372), (20, 763186), (23, 663640), (40, 381593), (46, 331820), (47, 324760), (92, 165910), (94, 162380), (115, 132728), (184, 82955), (188, 81190), (230, 66364), (235, 64952), (353, 43240), (376, 40595), (460, 33182), (470, 32476), (706, 21620), (920, 16591), (940, 16238), (1081, 14120), (1412, 10810), (1765, 8648), (1880, 8119), (2162, 7060), (2824, 5405), (3530, 4324)]