320833320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:795

約数の個数: 128

約数和(自身を含む): 996589440

約数和(自身を除く): 675756120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 97, 120, 129, 172, 194, 215, 258, 291, 344, 388, 430, 485, 516, 582, 641, 645, 776, 860, 970, 1032, 1164, 1282, 1290, 1455, 1720, 1923, 1940, 2328, 2564, 2580, 2910, 3205, 3846, 3880, 4171, 5128, 5160, 5820, 6410, 7692, 8342, 9615, 11640, 12513, 12820, 15384, 16684, 19230, 20855, 25026, 25640, 27563, 33368, 38460, 41710, 50052, 55126, 62177, 62565, 76920, 82689, 83420, 100104, 110252, 124354, 125130, 137815, 165378, 166840, 186531, 220504, 248708, 250260, 275630, 310885, 330756, 373062, 413445, 497416, 500520, 551260, 621770, 661512, 746124, 826890, 932655, 1102520, 1243540, 1492248, 1653780, 1865310, 2487080, 2673611, 3307560, 3730620, 5347222, 7461240, 8020833, 10694444, 13368055, 16041666, 21388888, 26736110, 32083332, 40104165, 53472220, 64166664, 80208330, 106944440, 160416660, 320833320]

約数ペア:

[(1, 320833320), (2, 160416660), (3, 106944440), (4, 80208330), (5, 64166664), (6, 53472220), (8, 40104165), (10, 32083332), (12, 26736110), (15, 21388888), (20, 16041666), (24, 13368055), (30, 10694444), (40, 8020833), (43, 7461240), (60, 5347222), (86, 3730620), (97, 3307560), (120, 2673611), (129, 2487080), (172, 1865310), (194, 1653780), (215, 1492248), (258, 1243540), (291, 1102520), (344, 932655), (388, 826890), (430, 746124), (485, 661512), (516, 621770), (582, 551260), (641, 500520), (645, 497416), (776, 413445), (860, 373062), (970, 330756), (1032, 310885), (1164, 275630), (1282, 250260), (1290, 248708), (1455, 220504), (1720, 186531), (1923, 166840), (1940, 165378), (2328, 137815), (2564, 125130), (2580, 124354), (2910, 110252), (3205, 100104), (3846, 83420), (3880, 82689), (4171, 76920), (5128, 62565), (5160, 62177), (5820, 55126), (6410, 50052), (7692, 41710), (8342, 38460), (9615, 33368), (11640, 27563), (12513, 25640), (12820, 25026), (15384, 20855), (16684, 19230)]