123498880

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11351}}^1$

素因数の和:11387

約数の個数: 64

約数和(自身を含む): 312634080

約数和(自身を除く): 189135200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 11351, 22702, 45404, 56755, 90808, 113510, 181616, 192967, 227020, 363232, 385934, 454040, 726464, 771868, 908080, 964835, 1452928, 1543736, 1816160, 1929670, 3087472, 3632320, 3859340, 6174944, 7264640, 7718680, 12349888, 15437360, 24699776, 30874720, 61749440, 123498880]

約数ペア:

[(1, 123498880), (2, 61749440), (4, 30874720), (5, 24699776), (8, 15437360), (10, 12349888), (16, 7718680), (17, 7264640), (20, 6174944), (32, 3859340), (34, 3632320), (40, 3087472), (64, 1929670), (68, 1816160), (80, 1543736), (85, 1452928), (128, 964835), (136, 908080), (160, 771868), (170, 726464), (272, 454040), (320, 385934), (340, 363232), (544, 227020), (640, 192967), (680, 181616), (1088, 113510), (1360, 90808), (2176, 56755), (2720, 45404), (5440, 22702), (10880, 11351)]