17820320

素因数分解:

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

素因数の和:2302

約数の個数: 72

約数和(自身を含む): 48995604

約数和(自身を除く): 31175284

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 2273, 3920, 4546, 7840, 9092, 11365, 15911, 18184, 22730, 31822, 36368, 45460, 63644, 72736, 79555, 90920, 111377, 127288, 159110, 181840, 222754, 254576, 318220, 363680, 445508, 509152, 556885, 636440, 891016, 1113770, 1272880, 1782032, 2227540, 2545760, 3564064, 4455080, 8910160, 17820320]

約数ペア:

[(1, 17820320), (2, 8910160), (4, 4455080), (5, 3564064), (7, 2545760), (8, 2227540), (10, 1782032), (14, 1272880), (16, 1113770), (20, 891016), (28, 636440), (32, 556885), (35, 509152), (40, 445508), (49, 363680), (56, 318220), (70, 254576), (80, 222754), (98, 181840), (112, 159110), (140, 127288), (160, 111377), (196, 90920), (224, 79555), (245, 72736), (280, 63644), (392, 45460), (490, 36368), (560, 31822), (784, 22730), (980, 18184), (1120, 15911), (1568, 11365), (1960, 9092), (2273, 7840), (3920, 4546)]