256665600

素因数分解:

$2^{11}\times 3^2\times 5^2\times {\mathrm{557}}^1$

素因数の和:595

約数の個数: 216

約数和(自身を含む): 920859030

約数和(自身を除く): 664193430

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 256, 288, 300, 320, 360, 384, 400, 450, 480, 512, 557, 576, 600, 640, 720, 768, 800, 900, 960, 1024, 1114, 1152, 1200, 1280, 1440, 1536, 1600, 1671, 1800, 1920, 2048, 2228, 2304, 2400, 2560, 2785, 2880, 3072, 3200, 3342, 3600, 3840, 4456, 4608, 4800, 5013, 5120, 5570, 5760, 6144, 6400, 6684, 7200, 7680, 8355, 8912, 9216, 9600, 10026, 10240, 11140, 11520, 12800, 13368, 13925, 14400, 15360, 16710, 17824, 18432, 19200, 20052, 22280, 23040, 25065, 25600, 26736, 27850, 28800, 30720, 33420, 35648, 38400, 40104, 41775, 44560, 46080, 50130, 51200, 53472, 55700, 57600, 66840, 71296, 76800, 80208, 83550, 89120, 92160, 100260, 106944, 111400, 115200, 125325, 133680, 142592, 153600, 160416, 167100, 178240, 200520, 213888, 222800, 230400, 250650, 267360, 285184, 320832, 334200, 356480, 401040, 427776, 445600, 460800, 501300, 534720, 570368, 641664, 668400, 712960, 802080, 855552, 891200, 1002600, 1069440, 1140736, 1283328, 1336800, 1425920, 1604160, 1711104, 1782400, 2005200, 2138880, 2566656, 2673600, 2851840, 3208320, 3422208, 3564800, 4010400, 4277760, 5133312, 5347200, 5703680, 6416640, 7129600, 8020800, 8555520, 10266624, 10694400, 12833280, 14259200, 16041600, 17111040, 21388800, 25666560, 28518400, 32083200, 42777600, 51333120, 64166400, 85555200, 128332800, 256665600]

約数ペア:

[(1, 256665600), (2, 128332800), (3, 85555200), (4, 64166400), (5, 51333120), (6, 42777600), (8, 32083200), (9, 28518400), (10, 25666560), (12, 21388800), (15, 17111040), (16, 16041600), (18, 14259200), (20, 12833280), (24, 10694400), (25, 10266624), (30, 8555520), (32, 8020800), (36, 7129600), (40, 6416640), (45, 5703680), (48, 5347200), (50, 5133312), (60, 4277760), (64, 4010400), (72, 3564800), (75, 3422208), (80, 3208320), (90, 2851840), (96, 2673600), (100, 2566656), (120, 2138880), (128, 2005200), (144, 1782400), (150, 1711104), (160, 1604160), (180, 1425920), (192, 1336800), (200, 1283328), (225, 1140736), (240, 1069440), (256, 1002600), (288, 891200), (300, 855552), (320, 802080), (360, 712960), (384, 668400), (400, 641664), (450, 570368), (480, 534720), (512, 501300), (557, 460800), (576, 445600), (600, 427776), (640, 401040), (720, 356480), (768, 334200), (800, 320832), (900, 285184), (960, 267360), (1024, 250650), (1114, 230400), (1152, 222800), (1200, 213888), (1280, 200520), (1440, 178240), (1536, 167100), (1600, 160416), (1671, 153600), (1800, 142592), (1920, 133680), (2048, 125325), (2228, 115200), (2304, 111400), (2400, 106944), (2560, 100260), (2785, 92160), (2880, 89120), (3072, 83550), (3200, 80208), (3342, 76800), (3600, 71296), (3840, 66840), (4456, 57600), (4608, 55700), (4800, 53472), (5013, 51200), (5120, 50130), (5570, 46080), (5760, 44560), (6144, 41775), (6400, 40104), (6684, 38400), (7200, 35648), (7680, 33420), (8355, 30720), (8912, 28800), (9216, 27850), (9600, 26736), (10026, 25600), (10240, 25065), (11140, 23040), (11520, 22280), (12800, 20052), (13368, 19200), (13925, 18432), (14400, 17824), (15360, 16710)]