666963360

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{521}}^1$

素因数の和:676

約数の個数: 288

約数和(自身を含む): 2626670592

約数和(自身を除く): 1959707232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 127, 140, 144, 160, 168, 180, 210, 224, 240, 252, 254, 280, 288, 315, 336, 360, 381, 420, 480, 504, 508, 521, 560, 630, 635, 672, 720, 762, 840, 889, 1008, 1016, 1042, 1120, 1143, 1260, 1270, 1440, 1524, 1563, 1680, 1778, 1905, 2016, 2032, 2084, 2286, 2520, 2540, 2605, 2667, 3048, 3126, 3360, 3556, 3647, 3810, 4064, 4168, 4445, 4572, 4689, 5040, 5080, 5210, 5334, 5715, 6096, 6252, 7112, 7294, 7620, 7815, 8001, 8336, 8890, 9144, 9378, 10080, 10160, 10420, 10668, 10941, 11430, 12192, 12504, 13335, 14224, 14588, 15240, 15630, 16002, 16672, 17780, 18235, 18288, 18756, 20320, 20840, 21336, 21882, 22860, 23445, 25008, 26670, 28448, 29176, 30480, 31260, 32004, 32823, 35560, 36470, 36576, 37512, 40005, 41680, 42672, 43764, 45720, 46890, 50016, 53340, 54705, 58352, 60960, 62520, 64008, 65646, 66167, 71120, 72940, 75024, 80010, 83360, 85344, 87528, 91440, 93780, 106680, 109410, 116704, 125040, 128016, 131292, 132334, 142240, 145880, 150048, 160020, 164115, 175056, 182880, 187560, 198501, 213360, 218820, 250080, 256032, 262584, 264668, 291760, 320040, 328230, 330835, 350112, 375120, 397002, 426720, 437640, 463169, 525168, 529336, 583520, 595503, 640080, 656460, 661670, 750240, 794004, 875280, 926338, 992505, 1050336, 1058672, 1191006, 1280160, 1312920, 1323340, 1389507, 1588008, 1750560, 1852676, 1985010, 2117344, 2315845, 2382012, 2625840, 2646680, 2779014, 2977515, 3176016, 3705352, 3970020, 4168521, 4631690, 4764024, 5251680, 5293360, 5558028, 5955030, 6352032, 6947535, 7410704, 7940040, 8337042, 9263380, 9528048, 10586720, 11116056, 11910060, 13895070, 14821408, 15880080, 16674084, 18526760, 19056096, 20842605, 22232112, 23820120, 27790140, 31760160, 33348168, 37053520, 41685210, 44464224, 47640240, 55580280, 66696336, 74107040, 83370420, 95280480, 111160560, 133392672, 166740840, 222321120, 333481680, 666963360]

約数ペア:

[(1, 666963360), (2, 333481680), (3, 222321120), (4, 166740840), (5, 133392672), (6, 111160560), (7, 95280480), (8, 83370420), (9, 74107040), (10, 66696336), (12, 55580280), (14, 47640240), (15, 44464224), (16, 41685210), (18, 37053520), (20, 33348168), (21, 31760160), (24, 27790140), (28, 23820120), (30, 22232112), (32, 20842605), (35, 19056096), (36, 18526760), (40, 16674084), (42, 15880080), (45, 14821408), (48, 13895070), (56, 11910060), (60, 11116056), (63, 10586720), (70, 9528048), (72, 9263380), (80, 8337042), (84, 7940040), (90, 7410704), (96, 6947535), (105, 6352032), (112, 5955030), (120, 5558028), (126, 5293360), (127, 5251680), (140, 4764024), (144, 4631690), (160, 4168521), (168, 3970020), (180, 3705352), (210, 3176016), (224, 2977515), (240, 2779014), (252, 2646680), (254, 2625840), (280, 2382012), (288, 2315845), (315, 2117344), (336, 1985010), (360, 1852676), (381, 1750560), (420, 1588008), (480, 1389507), (504, 1323340), (508, 1312920), (521, 1280160), (560, 1191006), (630, 1058672), (635, 1050336), (672, 992505), (720, 926338), (762, 875280), (840, 794004), (889, 750240), (1008, 661670), (1016, 656460), (1042, 640080), (1120, 595503), (1143, 583520), (1260, 529336), (1270, 525168), (1440, 463169), (1524, 437640), (1563, 426720), (1680, 397002), (1778, 375120), (1905, 350112), (2016, 330835), (2032, 328230), (2084, 320040), (2286, 291760), (2520, 264668), (2540, 262584), (2605, 256032), (2667, 250080), (3048, 218820), (3126, 213360), (3360, 198501), (3556, 187560), (3647, 182880), (3810, 175056), (4064, 164115), (4168, 160020), (4445, 150048), (4572, 145880), (4689, 142240), (5040, 132334), (5080, 131292), (5210, 128016), (5334, 125040), (5715, 116704), (6096, 109410), (6252, 106680), (7112, 93780), (7294, 91440), (7620, 87528), (7815, 85344), (8001, 83360), (8336, 80010), (8890, 75024), (9144, 72940), (9378, 71120), (10080, 66167), (10160, 65646), (10420, 64008), (10668, 62520), (10941, 60960), (11430, 58352), (12192, 54705), (12504, 53340), (13335, 50016), (14224, 46890), (14588, 45720), (15240, 43764), (15630, 42672), (16002, 41680), (16672, 40005), (17780, 37512), (18235, 36576), (18288, 36470), (18756, 35560), (20320, 32823), (20840, 32004), (21336, 31260), (21882, 30480), (22860, 29176), (23445, 28448), (25008, 26670)]