28763460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 144

約数和(自身を含む): 96969600

約数和(自身を除く): 68206140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 73, 90, 99, 110, 132, 146, 165, 180, 198, 199, 219, 220, 292, 330, 365, 396, 398, 438, 495, 597, 657, 660, 730, 796, 803, 876, 990, 995, 1095, 1194, 1314, 1460, 1606, 1791, 1980, 1990, 2189, 2190, 2388, 2409, 2628, 2985, 3212, 3285, 3582, 3980, 4015, 4378, 4380, 4818, 5970, 6567, 6570, 7164, 7227, 8030, 8756, 8955, 9636, 10945, 11940, 12045, 13134, 13140, 14454, 14527, 16060, 17910, 19701, 21890, 24090, 26268, 28908, 29054, 32835, 35820, 36135, 39402, 43581, 43780, 48180, 58108, 65670, 72270, 72635, 78804, 87162, 98505, 130743, 131340, 144540, 145270, 159797, 174324, 197010, 217905, 261486, 290540, 319594, 394020, 435810, 479391, 522972, 639188, 653715, 798985, 871620, 958782, 1307430, 1438173, 1597970, 1917564, 2396955, 2614860, 2876346, 3195940, 4793910, 5752692, 7190865, 9587820, 14381730, 28763460]

約数ペア:

[(1, 28763460), (2, 14381730), (3, 9587820), (4, 7190865), (5, 5752692), (6, 4793910), (9, 3195940), (10, 2876346), (11, 2614860), (12, 2396955), (15, 1917564), (18, 1597970), (20, 1438173), (22, 1307430), (30, 958782), (33, 871620), (36, 798985), (44, 653715), (45, 639188), (55, 522972), (60, 479391), (66, 435810), (73, 394020), (90, 319594), (99, 290540), (110, 261486), (132, 217905), (146, 197010), (165, 174324), (180, 159797), (198, 145270), (199, 144540), (219, 131340), (220, 130743), (292, 98505), (330, 87162), (365, 78804), (396, 72635), (398, 72270), (438, 65670), (495, 58108), (597, 48180), (657, 43780), (660, 43581), (730, 39402), (796, 36135), (803, 35820), (876, 32835), (990, 29054), (995, 28908), (1095, 26268), (1194, 24090), (1314, 21890), (1460, 19701), (1606, 17910), (1791, 16060), (1980, 14527), (1990, 14454), (2189, 13140), (2190, 13134), (2388, 12045), (2409, 11940), (2628, 10945), (2985, 9636), (3212, 8955), (3285, 8756), (3582, 8030), (3980, 7227), (4015, 7164), (4378, 6570), (4380, 6567), (4818, 5970)]