280728000

素因数分解:

$2^6\times 3^2\times 5^3\times 7^1\times {\mathrm{557}}^1$

素因数の和:597

約数の個数: 336

約数和(自身を含む): 1149729984

約数和(自身を除く): 869001984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 25, 28, 30, 32, 35, 36, 40, 42, 45, 48, 50, 56, 60, 63, 64, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 125, 126, 140, 144, 150, 160, 168, 175, 180, 192, 200, 210, 224, 225, 240, 250, 252, 280, 288, 300, 315, 320, 336, 350, 360, 375, 400, 420, 448, 450, 480, 500, 504, 525, 557, 560, 576, 600, 630, 672, 700, 720, 750, 800, 840, 875, 900, 960, 1000, 1008, 1050, 1114, 1120, 1125, 1200, 1260, 1344, 1400, 1440, 1500, 1575, 1600, 1671, 1680, 1750, 1800, 2000, 2016, 2100, 2228, 2240, 2250, 2400, 2520, 2625, 2785, 2800, 2880, 3000, 3150, 3342, 3360, 3500, 3600, 3899, 4000, 4032, 4200, 4456, 4500, 4800, 5013, 5040, 5250, 5570, 5600, 6000, 6300, 6684, 6720, 7000, 7200, 7798, 7875, 8000, 8355, 8400, 8912, 9000, 10026, 10080, 10500, 11140, 11200, 11697, 12000, 12600, 13368, 13925, 14000, 14400, 15596, 15750, 16710, 16800, 17824, 18000, 19495, 20052, 20160, 21000, 22280, 23394, 24000, 25065, 25200, 26736, 27850, 28000, 31192, 31500, 33420, 33600, 35091, 35648, 36000, 38990, 40104, 41775, 42000, 44560, 46788, 50130, 50400, 53472, 55700, 56000, 58485, 62384, 63000, 66840, 69625, 70182, 72000, 77980, 80208, 83550, 84000, 89120, 93576, 97475, 100260, 100800, 106944, 111400, 116970, 124768, 125325, 126000, 133680, 139250, 140364, 155960, 160416, 167100, 168000, 175455, 178240, 187152, 194950, 200520, 208875, 222800, 233940, 249536, 250650, 252000, 267360, 278500, 280728, 292425, 311920, 320832, 334200, 350910, 374304, 389900, 401040, 417750, 445600, 467880, 487375, 501300, 504000, 534720, 557000, 561456, 584850, 623840, 626625, 668400, 701820, 748608, 779800, 802080, 835500, 877275, 891200, 935760, 974750, 1002600, 1114000, 1122912, 1169700, 1247680, 1253250, 1336800, 1403640, 1462125, 1559600, 1604160, 1671000, 1754550, 1871520, 1949500, 2005200, 2228000, 2245824, 2339400, 2506500, 2673600, 2807280, 2924250, 3119200, 3342000, 3509100, 3743040, 3899000, 4010400, 4386375, 4456000, 4678800, 5013000, 5614560, 5848500, 6238400, 6684000, 7018200, 7798000, 8020800, 8772750, 9357600, 10026000, 11229120, 11697000, 13368000, 14036400, 15596000, 17545500, 18715200, 20052000, 23394000, 28072800, 31192000, 35091000, 40104000, 46788000, 56145600, 70182000, 93576000, 140364000, 280728000]

約数ペア:

[(1, 280728000), (2, 140364000), (3, 93576000), (4, 70182000), (5, 56145600), (6, 46788000), (7, 40104000), (8, 35091000), (9, 31192000), (10, 28072800), (12, 23394000), (14, 20052000), (15, 18715200), (16, 17545500), (18, 15596000), (20, 14036400), (21, 13368000), (24, 11697000), (25, 11229120), (28, 10026000), (30, 9357600), (32, 8772750), (35, 8020800), (36, 7798000), (40, 7018200), (42, 6684000), (45, 6238400), (48, 5848500), (50, 5614560), (56, 5013000), (60, 4678800), (63, 4456000), (64, 4386375), (70, 4010400), (72, 3899000), (75, 3743040), (80, 3509100), (84, 3342000), (90, 3119200), (96, 2924250), (100, 2807280), (105, 2673600), (112, 2506500), (120, 2339400), (125, 2245824), (126, 2228000), (140, 2005200), (144, 1949500), (150, 1871520), (160, 1754550), (168, 1671000), (175, 1604160), (180, 1559600), (192, 1462125), (200, 1403640), (210, 1336800), (224, 1253250), (225, 1247680), (240, 1169700), (250, 1122912), (252, 1114000), (280, 1002600), (288, 974750), (300, 935760), (315, 891200), (320, 877275), (336, 835500), (350, 802080), (360, 779800), (375, 748608), (400, 701820), (420, 668400), (448, 626625), (450, 623840), (480, 584850), (500, 561456), (504, 557000), (525, 534720), (557, 504000), (560, 501300), (576, 487375), (600, 467880), (630, 445600), (672, 417750), (700, 401040), (720, 389900), (750, 374304), (800, 350910), (840, 334200), (875, 320832), (900, 311920), (960, 292425), (1000, 280728), (1008, 278500), (1050, 267360), (1114, 252000), (1120, 250650), (1125, 249536), (1200, 233940), (1260, 222800), (1344, 208875), (1400, 200520), (1440, 194950), (1500, 187152), (1575, 178240), (1600, 175455), (1671, 168000), (1680, 167100), (1750, 160416), (1800, 155960), (2000, 140364), (2016, 139250), (2100, 133680), (2228, 126000), (2240, 125325), (2250, 124768), (2400, 116970), (2520, 111400), (2625, 106944), (2785, 100800), (2800, 100260), (2880, 97475), (3000, 93576), (3150, 89120), (3342, 84000), (3360, 83550), (3500, 80208), (3600, 77980), (3899, 72000), (4000, 70182), (4032, 69625), (4200, 66840), (4456, 63000), (4500, 62384), (4800, 58485), (5013, 56000), (5040, 55700), (5250, 53472), (5570, 50400), (5600, 50130), (6000, 46788), (6300, 44560), (6684, 42000), (6720, 41775), (7000, 40104), (7200, 38990), (7798, 36000), (7875, 35648), (8000, 35091), (8355, 33600), (8400, 33420), (8912, 31500), (9000, 31192), (10026, 28000), (10080, 27850), (10500, 26736), (11140, 25200), (11200, 25065), (11697, 24000), (12000, 23394), (12600, 22280), (13368, 21000), (13925, 20160), (14000, 20052), (14400, 19495), (15596, 18000), (15750, 17824), (16710, 16800)]