13131720

素因数分解:

$2^3\times 3^5\times 5^1\times 7^1\times {\mathrm{193}}^1$

素因数の和:226

約数の個数: 192

約数和(自身を含む): 50843520

約数和(自身を除く): 37711800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 81, 84, 90, 105, 108, 120, 126, 135, 140, 162, 168, 180, 189, 193, 210, 216, 243, 252, 270, 280, 315, 324, 360, 378, 386, 405, 420, 486, 504, 540, 567, 579, 630, 648, 756, 772, 810, 840, 945, 965, 972, 1080, 1134, 1158, 1215, 1260, 1351, 1512, 1544, 1620, 1701, 1737, 1890, 1930, 1944, 2268, 2316, 2430, 2520, 2702, 2835, 2895, 3240, 3402, 3474, 3780, 3860, 4053, 4536, 4632, 4860, 5211, 5404, 5670, 5790, 6755, 6804, 6948, 7560, 7720, 8106, 8505, 8685, 9720, 10422, 10808, 11340, 11580, 12159, 13510, 13608, 13896, 15633, 16212, 17010, 17370, 20265, 20844, 22680, 23160, 24318, 26055, 27020, 31266, 32424, 34020, 34740, 36477, 40530, 41688, 46899, 48636, 52110, 54040, 60795, 62532, 68040, 69480, 72954, 78165, 81060, 93798, 97272, 104220, 109431, 121590, 125064, 145908, 156330, 162120, 182385, 187596, 208440, 218862, 234495, 243180, 291816, 312660, 328293, 364770, 375192, 437724, 468990, 486360, 547155, 625320, 656586, 729540, 875448, 937980, 1094310, 1313172, 1459080, 1641465, 1875960, 2188620, 2626344, 3282930, 4377240, 6565860, 13131720]

約数ペア:

[(1, 13131720), (2, 6565860), (3, 4377240), (4, 3282930), (5, 2626344), (6, 2188620), (7, 1875960), (8, 1641465), (9, 1459080), (10, 1313172), (12, 1094310), (14, 937980), (15, 875448), (18, 729540), (20, 656586), (21, 625320), (24, 547155), (27, 486360), (28, 468990), (30, 437724), (35, 375192), (36, 364770), (40, 328293), (42, 312660), (45, 291816), (54, 243180), (56, 234495), (60, 218862), (63, 208440), (70, 187596), (72, 182385), (81, 162120), (84, 156330), (90, 145908), (105, 125064), (108, 121590), (120, 109431), (126, 104220), (135, 97272), (140, 93798), (162, 81060), (168, 78165), (180, 72954), (189, 69480), (193, 68040), (210, 62532), (216, 60795), (243, 54040), (252, 52110), (270, 48636), (280, 46899), (315, 41688), (324, 40530), (360, 36477), (378, 34740), (386, 34020), (405, 32424), (420, 31266), (486, 27020), (504, 26055), (540, 24318), (567, 23160), (579, 22680), (630, 20844), (648, 20265), (756, 17370), (772, 17010), (810, 16212), (840, 15633), (945, 13896), (965, 13608), (972, 13510), (1080, 12159), (1134, 11580), (1158, 11340), (1215, 10808), (1260, 10422), (1351, 9720), (1512, 8685), (1544, 8505), (1620, 8106), (1701, 7720), (1737, 7560), (1890, 6948), (1930, 6804), (1944, 6755), (2268, 5790), (2316, 5670), (2430, 5404), (2520, 5211), (2702, 4860), (2835, 4632), (2895, 4536), (3240, 4053), (3402, 3860), (3474, 3780)]