81573120

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:197

約数の個数: 216

約数和(自身を含む): 289050216

約数和(自身を除く): 207477096

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 73, 80, 90, 96, 97, 120, 128, 144, 146, 160, 180, 192, 194, 219, 240, 256, 288, 291, 292, 320, 360, 365, 384, 388, 438, 480, 485, 576, 582, 584, 640, 657, 720, 730, 768, 776, 873, 876, 960, 970, 1095, 1152, 1164, 1168, 1280, 1314, 1440, 1455, 1460, 1552, 1746, 1752, 1920, 1940, 2190, 2304, 2328, 2336, 2628, 2880, 2910, 2920, 3104, 3285, 3492, 3504, 3840, 3880, 4365, 4380, 4656, 4672, 5256, 5760, 5820, 5840, 6208, 6570, 6984, 7008, 7081, 7760, 8730, 8760, 9312, 9344, 10512, 11520, 11640, 11680, 12416, 13140, 13968, 14016, 14162, 15520, 17460, 17520, 18624, 18688, 21024, 21243, 23280, 23360, 24832, 26280, 27936, 28032, 28324, 31040, 34920, 35040, 35405, 37248, 42048, 42486, 46560, 46720, 52560, 55872, 56064, 56648, 62080, 63729, 69840, 70080, 70810, 74496, 84096, 84972, 93120, 93440, 105120, 106215, 111744, 113296, 124160, 127458, 139680, 140160, 141620, 168192, 169944, 186240, 210240, 212430, 223488, 226592, 254916, 279360, 280320, 283240, 318645, 339888, 372480, 420480, 424860, 453184, 509832, 558720, 566480, 637290, 679776, 840960, 849720, 906368, 1019664, 1117440, 1132960, 1274580, 1359552, 1699440, 1812736, 2039328, 2265920, 2549160, 2719104, 3398880, 4078656, 4531840, 5098320, 5438208, 6797760, 8157312, 9063680, 10196640, 13595520, 16314624, 20393280, 27191040, 40786560, 81573120]

約数ペア:

[(1, 81573120), (2, 40786560), (3, 27191040), (4, 20393280), (5, 16314624), (6, 13595520), (8, 10196640), (9, 9063680), (10, 8157312), (12, 6797760), (15, 5438208), (16, 5098320), (18, 4531840), (20, 4078656), (24, 3398880), (30, 2719104), (32, 2549160), (36, 2265920), (40, 2039328), (45, 1812736), (48, 1699440), (60, 1359552), (64, 1274580), (72, 1132960), (73, 1117440), (80, 1019664), (90, 906368), (96, 849720), (97, 840960), (120, 679776), (128, 637290), (144, 566480), (146, 558720), (160, 509832), (180, 453184), (192, 424860), (194, 420480), (219, 372480), (240, 339888), (256, 318645), (288, 283240), (291, 280320), (292, 279360), (320, 254916), (360, 226592), (365, 223488), (384, 212430), (388, 210240), (438, 186240), (480, 169944), (485, 168192), (576, 141620), (582, 140160), (584, 139680), (640, 127458), (657, 124160), (720, 113296), (730, 111744), (768, 106215), (776, 105120), (873, 93440), (876, 93120), (960, 84972), (970, 84096), (1095, 74496), (1152, 70810), (1164, 70080), (1168, 69840), (1280, 63729), (1314, 62080), (1440, 56648), (1455, 56064), (1460, 55872), (1552, 52560), (1746, 46720), (1752, 46560), (1920, 42486), (1940, 42048), (2190, 37248), (2304, 35405), (2328, 35040), (2336, 34920), (2628, 31040), (2880, 28324), (2910, 28032), (2920, 27936), (3104, 26280), (3285, 24832), (3492, 23360), (3504, 23280), (3840, 21243), (3880, 21024), (4365, 18688), (4380, 18624), (4656, 17520), (4672, 17460), (5256, 15520), (5760, 14162), (5820, 14016), (5840, 13968), (6208, 13140), (6570, 12416), (6984, 11680), (7008, 11640), (7081, 11520), (7760, 10512), (8730, 9344), (8760, 9312)]