2881278080

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{195739}}^1$

素因数の和:195781

約数の個数: 64

約数和(自身を含む): 7187572800

約数和(自身を除く): 4306294720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 920, 1472, 1840, 2944, 3680, 7360, 14720, 195739, 391478, 782956, 978695, 1565912, 1957390, 3131824, 3914780, 4501997, 6263648, 7829560, 9003994, 12527296, 15659120, 18007988, 22509985, 25054592, 31318240, 36015976, 45019970, 62636480, 72031952, 90039940, 125272960, 144063904, 180079880, 288127808, 360159760, 576255616, 720319520, 1440639040, 2881278080]

約数ペア:

[(1, 2881278080), (2, 1440639040), (4, 720319520), (5, 576255616), (8, 360159760), (10, 288127808), (16, 180079880), (20, 144063904), (23, 125272960), (32, 90039940), (40, 72031952), (46, 62636480), (64, 45019970), (80, 36015976), (92, 31318240), (115, 25054592), (128, 22509985), (160, 18007988), (184, 15659120), (230, 12527296), (320, 9003994), (368, 7829560), (460, 6263648), (640, 4501997), (736, 3914780), (920, 3131824), (1472, 1957390), (1840, 1565912), (2944, 978695), (3680, 782956), (7360, 391478), (14720, 195739)]