71968000

素因数分解:

$2^8\times 5^3\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:217

約数の個数: 144

約数和(自身を含む): 194188176

約数和(自身を除く): 122220176

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, 173, 200, 208, 250, 256, 260, 320, 325, 346, 400, 416, 500, 520, 640, 650, 692, 800, 832, 865, 1000, 1040, 1280, 1300, 1384, 1600, 1625, 1664, 1730, 2000, 2080, 2249, 2600, 2768, 3200, 3250, 3328, 3460, 4000, 4160, 4325, 4498, 5200, 5536, 6400, 6500, 6920, 8000, 8320, 8650, 8996, 10400, 11072, 11245, 13000, 13840, 16000, 16640, 17300, 17992, 20800, 21625, 22144, 22490, 26000, 27680, 32000, 34600, 35984, 41600, 43250, 44288, 44980, 52000, 55360, 56225, 69200, 71968, 83200, 86500, 89960, 104000, 110720, 112450, 138400, 143936, 173000, 179920, 208000, 221440, 224900, 276800, 281125, 287872, 346000, 359840, 416000, 449800, 553600, 562250, 575744, 692000, 719680, 899600, 1107200, 1124500, 1384000, 1439360, 1799200, 2249000, 2768000, 2878720, 3598400, 4498000, 5536000, 7196800, 8996000, 14393600, 17992000, 35984000, 71968000]

約数ペア:

[(1, 71968000), (2, 35984000), (4, 17992000), (5, 14393600), (8, 8996000), (10, 7196800), (13, 5536000), (16, 4498000), (20, 3598400), (25, 2878720), (26, 2768000), (32, 2249000), (40, 1799200), (50, 1439360), (52, 1384000), (64, 1124500), (65, 1107200), (80, 899600), (100, 719680), (104, 692000), (125, 575744), (128, 562250), (130, 553600), (160, 449800), (173, 416000), (200, 359840), (208, 346000), (250, 287872), (256, 281125), (260, 276800), (320, 224900), (325, 221440), (346, 208000), (400, 179920), (416, 173000), (500, 143936), (520, 138400), (640, 112450), (650, 110720), (692, 104000), (800, 89960), (832, 86500), (865, 83200), (1000, 71968), (1040, 69200), (1280, 56225), (1300, 55360), (1384, 52000), (1600, 44980), (1625, 44288), (1664, 43250), (1730, 41600), (2000, 35984), (2080, 34600), (2249, 32000), (2600, 27680), (2768, 26000), (3200, 22490), (3250, 22144), (3328, 21625), (3460, 20800), (4000, 17992), (4160, 17300), (4325, 16640), (4498, 16000), (5200, 13840), (5536, 13000), (6400, 11245), (6500, 11072), (6920, 10400), (8000, 8996), (8320, 8650)]