15215680

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{2797}}^1$

素因数の和:2831

約数の個数: 56

約数和(自身を含む): 38377368

約数和(自身を除く): 23161688

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 2797, 5440, 5594, 11188, 13985, 22376, 27970, 44752, 47549, 55940, 89504, 95098, 111880, 179008, 190196, 223760, 237745, 380392, 447520, 475490, 760784, 895040, 950980, 1521568, 1901960, 3043136, 3803920, 7607840, 15215680]

約数ペア:

[(1, 15215680), (2, 7607840), (4, 3803920), (5, 3043136), (8, 1901960), (10, 1521568), (16, 950980), (17, 895040), (20, 760784), (32, 475490), (34, 447520), (40, 380392), (64, 237745), (68, 223760), (80, 190196), (85, 179008), (136, 111880), (160, 95098), (170, 89504), (272, 55940), (320, 47549), (340, 44752), (544, 27970), (680, 22376), (1088, 13985), (1360, 11188), (2720, 5594), (2797, 5440)]