1987564800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{7963}}^1$

素因数の和:8005

約数の個数: 216

約数和(自身を含む): 7064832544

約数和(自身を除く): 5077267744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 128, 130, 150, 156, 160, 192, 195, 200, 208, 240, 256, 260, 300, 312, 320, 325, 384, 390, 400, 416, 480, 520, 600, 624, 640, 650, 768, 780, 800, 832, 960, 975, 1040, 1200, 1248, 1280, 1300, 1560, 1600, 1664, 1920, 1950, 2080, 2400, 2496, 2600, 3120, 3200, 3328, 3840, 3900, 4160, 4800, 4992, 5200, 6240, 6400, 7800, 7963, 8320, 9600, 9984, 10400, 12480, 15600, 15926, 16640, 19200, 20800, 23889, 24960, 31200, 31852, 39815, 41600, 47778, 49920, 62400, 63704, 79630, 83200, 95556, 103519, 119445, 124800, 127408, 159260, 191112, 199075, 207038, 238890, 249600, 254816, 310557, 318520, 382224, 398150, 414076, 477780, 509632, 517595, 597225, 621114, 637040, 764448, 796300, 828152, 955560, 1019264, 1035190, 1194450, 1242228, 1274080, 1528896, 1552785, 1592600, 1656304, 1911120, 2038528, 2070380, 2388900, 2484456, 2548160, 2587975, 3057792, 3105570, 3185200, 3312608, 3822240, 4140760, 4777800, 4968912, 5096320, 5175950, 6115584, 6211140, 6370400, 6625216, 7644480, 7763925, 8281520, 9555600, 9937824, 10192640, 10351900, 12422280, 12740800, 13250432, 15288960, 15527850, 16563040, 19111200, 19875648, 20703800, 24844560, 25481600, 26500864, 30577920, 31055700, 33126080, 38222400, 39751296, 41407600, 49689120, 50963200, 62111400, 66252160, 76444800, 79502592, 82815200, 99378240, 124222800, 132504320, 152889600, 165630400, 198756480, 248445600, 331260800, 397512960, 496891200, 662521600, 993782400, 1987564800]

約数ペア:

[(1, 1987564800), (2, 993782400), (3, 662521600), (4, 496891200), (5, 397512960), (6, 331260800), (8, 248445600), (10, 198756480), (12, 165630400), (13, 152889600), (15, 132504320), (16, 124222800), (20, 99378240), (24, 82815200), (25, 79502592), (26, 76444800), (30, 66252160), (32, 62111400), (39, 50963200), (40, 49689120), (48, 41407600), (50, 39751296), (52, 38222400), (60, 33126080), (64, 31055700), (65, 30577920), (75, 26500864), (78, 25481600), (80, 24844560), (96, 20703800), (100, 19875648), (104, 19111200), (120, 16563040), (128, 15527850), (130, 15288960), (150, 13250432), (156, 12740800), (160, 12422280), (192, 10351900), (195, 10192640), (200, 9937824), (208, 9555600), (240, 8281520), (256, 7763925), (260, 7644480), (300, 6625216), (312, 6370400), (320, 6211140), (325, 6115584), (384, 5175950), (390, 5096320), (400, 4968912), (416, 4777800), (480, 4140760), (520, 3822240), (600, 3312608), (624, 3185200), (640, 3105570), (650, 3057792), (768, 2587975), (780, 2548160), (800, 2484456), (832, 2388900), (960, 2070380), (975, 2038528), (1040, 1911120), (1200, 1656304), (1248, 1592600), (1280, 1552785), (1300, 1528896), (1560, 1274080), (1600, 1242228), (1664, 1194450), (1920, 1035190), (1950, 1019264), (2080, 955560), (2400, 828152), (2496, 796300), (2600, 764448), (3120, 637040), (3200, 621114), (3328, 597225), (3840, 517595), (3900, 509632), (4160, 477780), (4800, 414076), (4992, 398150), (5200, 382224), (6240, 318520), (6400, 310557), (7800, 254816), (7963, 249600), (8320, 238890), (9600, 207038), (9984, 199075), (10400, 191112), (12480, 159260), (15600, 127408), (15926, 124800), (16640, 119445), (19200, 103519), (20800, 95556), (23889, 83200), (24960, 79630), (31200, 63704), (31852, 62400), (39815, 49920), (41600, 47778)]