261185760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1499}}^1$

素因数の和:1542

約数の個数: 216

約数和(自身を含む): 980343000

約数和(自身を除く): 719157240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 96, 99, 110, 120, 121, 132, 144, 160, 165, 176, 180, 198, 220, 240, 242, 264, 288, 330, 352, 360, 363, 396, 440, 480, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1056, 1089, 1210, 1320, 1440, 1452, 1499, 1584, 1760, 1815, 1936, 1980, 2178, 2420, 2640, 2904, 2998, 3168, 3630, 3872, 3960, 4356, 4497, 4840, 5280, 5445, 5808, 5996, 7260, 7495, 7920, 8712, 8994, 9680, 10890, 11616, 11992, 13491, 14520, 14990, 15840, 16489, 17424, 17988, 19360, 21780, 22485, 23984, 26982, 29040, 29980, 32978, 34848, 35976, 43560, 44970, 47968, 49467, 53964, 58080, 59960, 65956, 67455, 71952, 82445, 87120, 89940, 98934, 107928, 119920, 131912, 134910, 143904, 148401, 164890, 174240, 179880, 181379, 197868, 215856, 239840, 247335, 263824, 269820, 296802, 329780, 359760, 362758, 395736, 431712, 494670, 527648, 539640, 544137, 593604, 659560, 719520, 725516, 742005, 791472, 906895, 989340, 1079280, 1088274, 1187208, 1319120, 1451032, 1484010, 1582944, 1632411, 1813790, 1978680, 2158560, 2176548, 2374416, 2638240, 2720685, 2902064, 2968020, 3264822, 3627580, 3957360, 4353096, 4748832, 5441370, 5804128, 5936040, 6529644, 7255160, 7914720, 8162055, 8706192, 10882740, 11872080, 13059288, 14510320, 16324110, 17412384, 21765480, 23744160, 26118576, 29020640, 32648220, 43530960, 52237152, 65296440, 87061920, 130592880, 261185760]

約数ペア:

[(1, 261185760), (2, 130592880), (3, 87061920), (4, 65296440), (5, 52237152), (6, 43530960), (8, 32648220), (9, 29020640), (10, 26118576), (11, 23744160), (12, 21765480), (15, 17412384), (16, 16324110), (18, 14510320), (20, 13059288), (22, 11872080), (24, 10882740), (30, 8706192), (32, 8162055), (33, 7914720), (36, 7255160), (40, 6529644), (44, 5936040), (45, 5804128), (48, 5441370), (55, 4748832), (60, 4353096), (66, 3957360), (72, 3627580), (80, 3264822), (88, 2968020), (90, 2902064), (96, 2720685), (99, 2638240), (110, 2374416), (120, 2176548), (121, 2158560), (132, 1978680), (144, 1813790), (160, 1632411), (165, 1582944), (176, 1484010), (180, 1451032), (198, 1319120), (220, 1187208), (240, 1088274), (242, 1079280), (264, 989340), (288, 906895), (330, 791472), (352, 742005), (360, 725516), (363, 719520), (396, 659560), (440, 593604), (480, 544137), (484, 539640), (495, 527648), (528, 494670), (605, 431712), (660, 395736), (720, 362758), (726, 359760), (792, 329780), (880, 296802), (968, 269820), (990, 263824), (1056, 247335), (1089, 239840), (1210, 215856), (1320, 197868), (1440, 181379), (1452, 179880), (1499, 174240), (1584, 164890), (1760, 148401), (1815, 143904), (1936, 134910), (1980, 131912), (2178, 119920), (2420, 107928), (2640, 98934), (2904, 89940), (2998, 87120), (3168, 82445), (3630, 71952), (3872, 67455), (3960, 65956), (4356, 59960), (4497, 58080), (4840, 53964), (5280, 49467), (5445, 47968), (5808, 44970), (5996, 43560), (7260, 35976), (7495, 34848), (7920, 32978), (8712, 29980), (8994, 29040), (9680, 26982), (10890, 23984), (11616, 22485), (11992, 21780), (13491, 19360), (14520, 17988), (14990, 17424), (15840, 16489)]