28072800

素因数分解:

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

素因数の和:590

約数の個数: 216

約数和(自身を含む): 113336496

約数和(自身を除く): 85263696

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, 70, 72, 75, 80, 84, 90, 96, 100, 105, 112, 120, 126, 140, 144, 150, 160, 168, 175, 180, 200, 210, 224, 225, 240, 252, 280, 288, 300, 315, 336, 350, 360, 400, 420, 450, 480, 504, 525, 557, 560, 600, 630, 672, 700, 720, 800, 840, 900, 1008, 1050, 1114, 1120, 1200, 1260, 1400, 1440, 1575, 1671, 1680, 1800, 2016, 2100, 2228, 2400, 2520, 2785, 2800, 3150, 3342, 3360, 3600, 3899, 4200, 4456, 5013, 5040, 5570, 5600, 6300, 6684, 7200, 7798, 8355, 8400, 8912, 10026, 10080, 11140, 11697, 12600, 13368, 13925, 15596, 16710, 16800, 17824, 19495, 20052, 22280, 23394, 25065, 25200, 26736, 27850, 31192, 33420, 35091, 38990, 40104, 41775, 44560, 46788, 50130, 50400, 53472, 55700, 58485, 62384, 66840, 70182, 77980, 80208, 83550, 89120, 93576, 97475, 100260, 111400, 116970, 124768, 125325, 133680, 140364, 155960, 160416, 167100, 175455, 187152, 194950, 200520, 222800, 233940, 250650, 267360, 280728, 292425, 311920, 334200, 350910, 374304, 389900, 401040, 445600, 467880, 501300, 561456, 584850, 623840, 668400, 701820, 779800, 802080, 877275, 935760, 1002600, 1122912, 1169700, 1336800, 1403640, 1559600, 1754550, 1871520, 2005200, 2339400, 2807280, 3119200, 3509100, 4010400, 4678800, 5614560, 7018200, 9357600, 14036400, 28072800]

約数ペア:

[(1, 28072800), (2, 14036400), (3, 9357600), (4, 7018200), (5, 5614560), (6, 4678800), (7, 4010400), (8, 3509100), (9, 3119200), (10, 2807280), (12, 2339400), (14, 2005200), (15, 1871520), (16, 1754550), (18, 1559600), (20, 1403640), (21, 1336800), (24, 1169700), (25, 1122912), (28, 1002600), (30, 935760), (32, 877275), (35, 802080), (36, 779800), (40, 701820), (42, 668400), (45, 623840), (48, 584850), (50, 561456), (56, 501300), (60, 467880), (63, 445600), (70, 401040), (72, 389900), (75, 374304), (80, 350910), (84, 334200), (90, 311920), (96, 292425), (100, 280728), (105, 267360), (112, 250650), (120, 233940), (126, 222800), (140, 200520), (144, 194950), (150, 187152), (160, 175455), (168, 167100), (175, 160416), (180, 155960), (200, 140364), (210, 133680), (224, 125325), (225, 124768), (240, 116970), (252, 111400), (280, 100260), (288, 97475), (300, 93576), (315, 89120), (336, 83550), (350, 80208), (360, 77980), (400, 70182), (420, 66840), (450, 62384), (480, 58485), (504, 55700), (525, 53472), (557, 50400), (560, 50130), (600, 46788), (630, 44560), (672, 41775), (700, 40104), (720, 38990), (800, 35091), (840, 33420), (900, 31192), (1008, 27850), (1050, 26736), (1114, 25200), (1120, 25065), (1200, 23394), (1260, 22280), (1400, 20052), (1440, 19495), (1575, 17824), (1671, 16800), (1680, 16710), (1800, 15596), (2016, 13925), (2100, 13368), (2228, 12600), (2400, 11697), (2520, 11140), (2785, 10080), (2800, 10026), (3150, 8912), (3342, 8400), (3360, 8355), (3600, 7798), (3899, 7200), (4200, 6684), (4456, 6300), (5013, 5600), (5040, 5570)]