82705280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{18461}}^1$

素因数の和:18487

約数の個数: 64

約数和(自身を含む): 225974880

約数和(自身を除く): 143269600

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, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 18461, 36922, 73844, 92305, 129227, 147688, 184610, 258454, 295376, 369220, 516908, 590752, 646135, 738440, 1033816, 1181504, 1292270, 1476880, 2067632, 2363008, 2584540, 2953760, 4135264, 5169080, 5907520, 8270528, 10338160, 11815040, 16541056, 20676320, 41352640, 82705280]

約数ペア:

[(1, 82705280), (2, 41352640), (4, 20676320), (5, 16541056), (7, 11815040), (8, 10338160), (10, 8270528), (14, 5907520), (16, 5169080), (20, 4135264), (28, 2953760), (32, 2584540), (35, 2363008), (40, 2067632), (56, 1476880), (64, 1292270), (70, 1181504), (80, 1033816), (112, 738440), (128, 646135), (140, 590752), (160, 516908), (224, 369220), (280, 295376), (320, 258454), (448, 184610), (560, 147688), (640, 129227), (896, 92305), (1120, 73844), (2240, 36922), (4480, 18461)]