30874720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11351}}^1$

素因数の和:11383

約数の個数: 48

約数和(自身を含む): 77239008

約数和(自身を除く): 46364288

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 11351, 22702, 45404, 56755, 90808, 113510, 181616, 192967, 227020, 363232, 385934, 454040, 771868, 908080, 964835, 1543736, 1816160, 1929670, 3087472, 3859340, 6174944, 7718680, 15437360, 30874720]

約数ペア:

[(1, 30874720), (2, 15437360), (4, 7718680), (5, 6174944), (8, 3859340), (10, 3087472), (16, 1929670), (17, 1816160), (20, 1543736), (32, 964835), (34, 908080), (40, 771868), (68, 454040), (80, 385934), (85, 363232), (136, 227020), (160, 192967), (170, 181616), (272, 113510), (340, 90808), (544, 56755), (680, 45404), (1360, 22702), (2720, 11351)]