81503520

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:343

約数の個数: 192

約数和(自身を含む): 297271296

約数和(自身を除く): 215767776

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 127, 140, 160, 168, 191, 210, 224, 240, 254, 280, 336, 381, 382, 420, 480, 508, 560, 573, 635, 672, 762, 764, 840, 889, 955, 1016, 1120, 1146, 1270, 1337, 1524, 1528, 1680, 1778, 1905, 1910, 2032, 2292, 2540, 2667, 2674, 2865, 3048, 3056, 3360, 3556, 3810, 3820, 4011, 4064, 4445, 4584, 5080, 5334, 5348, 5730, 6096, 6112, 6685, 7112, 7620, 7640, 8022, 8890, 9168, 10160, 10668, 10696, 11460, 12192, 13335, 13370, 14224, 15240, 15280, 16044, 17780, 18336, 20055, 20320, 21336, 21392, 22920, 24257, 26670, 26740, 28448, 30480, 30560, 32088, 35560, 40110, 42672, 42784, 45840, 48514, 53340, 53480, 60960, 64176, 71120, 72771, 80220, 85344, 91680, 97028, 106680, 106960, 121285, 128352, 142240, 145542, 160440, 169799, 194056, 213360, 213920, 242570, 291084, 320880, 339598, 363855, 388112, 426720, 485140, 509397, 582168, 641760, 679196, 727710, 776224, 848995, 970280, 1018794, 1164336, 1358392, 1455420, 1697990, 1940560, 2037588, 2328672, 2546985, 2716784, 2910840, 3395980, 3881120, 4075176, 5093970, 5433568, 5821680, 6791960, 8150352, 10187940, 11643360, 13583920, 16300704, 20375880, 27167840, 40751760, 81503520]

約数ペア:

[(1, 81503520), (2, 40751760), (3, 27167840), (4, 20375880), (5, 16300704), (6, 13583920), (7, 11643360), (8, 10187940), (10, 8150352), (12, 6791960), (14, 5821680), (15, 5433568), (16, 5093970), (20, 4075176), (21, 3881120), (24, 3395980), (28, 2910840), (30, 2716784), (32, 2546985), (35, 2328672), (40, 2037588), (42, 1940560), (48, 1697990), (56, 1455420), (60, 1358392), (70, 1164336), (80, 1018794), (84, 970280), (96, 848995), (105, 776224), (112, 727710), (120, 679196), (127, 641760), (140, 582168), (160, 509397), (168, 485140), (191, 426720), (210, 388112), (224, 363855), (240, 339598), (254, 320880), (280, 291084), (336, 242570), (381, 213920), (382, 213360), (420, 194056), (480, 169799), (508, 160440), (560, 145542), (573, 142240), (635, 128352), (672, 121285), (762, 106960), (764, 106680), (840, 97028), (889, 91680), (955, 85344), (1016, 80220), (1120, 72771), (1146, 71120), (1270, 64176), (1337, 60960), (1524, 53480), (1528, 53340), (1680, 48514), (1778, 45840), (1905, 42784), (1910, 42672), (2032, 40110), (2292, 35560), (2540, 32088), (2667, 30560), (2674, 30480), (2865, 28448), (3048, 26740), (3056, 26670), (3360, 24257), (3556, 22920), (3810, 21392), (3820, 21336), (4011, 20320), (4064, 20055), (4445, 18336), (4584, 17780), (5080, 16044), (5334, 15280), (5348, 15240), (5730, 14224), (6096, 13370), (6112, 13335), (6685, 12192), (7112, 11460), (7620, 10696), (7640, 10668), (8022, 10160), (8890, 9168)]