81464320

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{2273}}^1$

素因数の和:2305

約数の個数: 88

約数和(自身を含む): 223434144

約数和(自身を除く): 141969824

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, 1024, 1120, 1280, 1792, 2240, 2273, 2560, 3584, 4480, 4546, 5120, 7168, 8960, 9092, 11365, 15911, 17920, 18184, 22730, 31822, 35840, 36368, 45460, 63644, 72736, 79555, 90920, 127288, 145472, 159110, 181840, 254576, 290944, 318220, 363680, 509152, 581888, 636440, 727360, 1018304, 1163776, 1272880, 1454720, 2036608, 2327552, 2545760, 2909440, 4073216, 5091520, 5818880, 8146432, 10183040, 11637760, 16292864, 20366080, 40732160, 81464320]

約数ペア:

[(1, 81464320), (2, 40732160), (4, 20366080), (5, 16292864), (7, 11637760), (8, 10183040), (10, 8146432), (14, 5818880), (16, 5091520), (20, 4073216), (28, 2909440), (32, 2545760), (35, 2327552), (40, 2036608), (56, 1454720), (64, 1272880), (70, 1163776), (80, 1018304), (112, 727360), (128, 636440), (140, 581888), (160, 509152), (224, 363680), (256, 318220), (280, 290944), (320, 254576), (448, 181840), (512, 159110), (560, 145472), (640, 127288), (896, 90920), (1024, 79555), (1120, 72736), (1280, 63644), (1792, 45460), (2240, 36368), (2273, 35840), (2560, 31822), (3584, 22730), (4480, 18184), (4546, 17920), (5120, 15911), (7168, 11365), (8960, 9092)]