161262080

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{8999}}^1$

素因数の和:9029

約数の個数: 80

約数和(自身を含む): 441936000

約数和(自身を除く): 280673920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 8999, 17920, 17998, 35996, 44995, 62993, 71992, 89990, 125986, 143984, 179980, 251972, 287968, 314965, 359960, 503944, 575936, 629930, 719920, 1007888, 1151872, 1259860, 1439840, 2015776, 2303744, 2519720, 2879680, 4031552, 4607488, 5039440, 5759360, 8063104, 10078880, 11518720, 16126208, 20157760, 23037440, 32252416, 40315520, 80631040, 161262080]

約数ペア:

[(1, 161262080), (2, 80631040), (4, 40315520), (5, 32252416), (7, 23037440), (8, 20157760), (10, 16126208), (14, 11518720), (16, 10078880), (20, 8063104), (28, 5759360), (32, 5039440), (35, 4607488), (40, 4031552), (56, 2879680), (64, 2519720), (70, 2303744), (80, 2015776), (112, 1439840), (128, 1259860), (140, 1151872), (160, 1007888), (224, 719920), (256, 629930), (280, 575936), (320, 503944), (448, 359960), (512, 314965), (560, 287968), (640, 251972), (896, 179980), (1120, 143984), (1280, 125986), (1792, 89990), (2240, 71992), (2560, 62993), (3584, 44995), (4480, 35996), (8960, 17998), (8999, 17920)]