865280000

素因数分解:

$2^{13}\times 5^4\times {\mathrm{13}}^2$

素因数の和:72

約数の個数: 210

約数和(自身を含む): 2341507509

約数和(自身を除く): 1476227509

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 169, 200, 208, 250, 256, 260, 320, 325, 338, 400, 416, 500, 512, 520, 625, 640, 650, 676, 800, 832, 845, 1000, 1024, 1040, 1250, 1280, 1300, 1352, 1600, 1625, 1664, 1690, 2000, 2048, 2080, 2500, 2560, 2600, 2704, 3200, 3250, 3328, 3380, 4000, 4096, 4160, 4225, 5000, 5120, 5200, 5408, 6400, 6500, 6656, 6760, 8000, 8125, 8192, 8320, 8450, 10000, 10240, 10400, 10816, 12800, 13000, 13312, 13520, 16000, 16250, 16640, 16900, 20000, 20480, 20800, 21125, 21632, 25600, 26000, 26624, 27040, 32000, 32500, 33280, 33800, 40000, 40960, 41600, 42250, 43264, 51200, 52000, 53248, 54080, 64000, 65000, 66560, 67600, 80000, 83200, 84500, 86528, 102400, 104000, 105625, 106496, 108160, 128000, 130000, 133120, 135200, 160000, 166400, 169000, 173056, 204800, 208000, 211250, 216320, 256000, 260000, 266240, 270400, 320000, 332800, 338000, 346112, 416000, 422500, 432640, 512000, 520000, 532480, 540800, 640000, 665600, 676000, 692224, 832000, 845000, 865280, 1024000, 1040000, 1081600, 1280000, 1331200, 1352000, 1384448, 1664000, 1690000, 1730560, 2080000, 2163200, 2560000, 2662400, 2704000, 3328000, 3380000, 3461120, 4160000, 4326400, 5120000, 5408000, 6656000, 6760000, 6922240, 8320000, 8652800, 10816000, 13312000, 13520000, 16640000, 17305600, 21632000, 27040000, 33280000, 34611200, 43264000, 54080000, 66560000, 86528000, 108160000, 173056000, 216320000, 432640000, 865280000]

約数ペア:

[(1, 865280000), (2, 432640000), (4, 216320000), (5, 173056000), (8, 108160000), (10, 86528000), (13, 66560000), (16, 54080000), (20, 43264000), (25, 34611200), (26, 33280000), (32, 27040000), (40, 21632000), (50, 17305600), (52, 16640000), (64, 13520000), (65, 13312000), (80, 10816000), (100, 8652800), (104, 8320000), (125, 6922240), (128, 6760000), (130, 6656000), (160, 5408000), (169, 5120000), (200, 4326400), (208, 4160000), (250, 3461120), (256, 3380000), (260, 3328000), (320, 2704000), (325, 2662400), (338, 2560000), (400, 2163200), (416, 2080000), (500, 1730560), (512, 1690000), (520, 1664000), (625, 1384448), (640, 1352000), (650, 1331200), (676, 1280000), (800, 1081600), (832, 1040000), (845, 1024000), (1000, 865280), (1024, 845000), (1040, 832000), (1250, 692224), (1280, 676000), (1300, 665600), (1352, 640000), (1600, 540800), (1625, 532480), (1664, 520000), (1690, 512000), (2000, 432640), (2048, 422500), (2080, 416000), (2500, 346112), (2560, 338000), (2600, 332800), (2704, 320000), (3200, 270400), (3250, 266240), (3328, 260000), (3380, 256000), (4000, 216320), (4096, 211250), (4160, 208000), (4225, 204800), (5000, 173056), (5120, 169000), (5200, 166400), (5408, 160000), (6400, 135200), (6500, 133120), (6656, 130000), (6760, 128000), (8000, 108160), (8125, 106496), (8192, 105625), (8320, 104000), (8450, 102400), (10000, 86528), (10240, 84500), (10400, 83200), (10816, 80000), (12800, 67600), (13000, 66560), (13312, 65000), (13520, 64000), (16000, 54080), (16250, 53248), (16640, 52000), (16900, 51200), (20000, 43264), (20480, 42250), (20800, 41600), (21125, 40960), (21632, 40000), (25600, 33800), (26000, 33280), (26624, 32500), (27040, 32000)]