78464640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{40867}}^1$

素因数の和:40889

約数の個数: 64

約数和(自身を含む): 250112160

約数和(自身を除く): 171647520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 40867, 81734, 122601, 163468, 204335, 245202, 326936, 408670, 490404, 613005, 653872, 817340, 980808, 1226010, 1307744, 1634680, 1961616, 2452020, 2615488, 3269360, 3923232, 4904040, 5230976, 6538720, 7846464, 9808080, 13077440, 15692928, 19616160, 26154880, 39232320, 78464640]

約数ペア:

[(1, 78464640), (2, 39232320), (3, 26154880), (4, 19616160), (5, 15692928), (6, 13077440), (8, 9808080), (10, 7846464), (12, 6538720), (15, 5230976), (16, 4904040), (20, 3923232), (24, 3269360), (30, 2615488), (32, 2452020), (40, 1961616), (48, 1634680), (60, 1307744), (64, 1226010), (80, 980808), (96, 817340), (120, 653872), (128, 613005), (160, 490404), (192, 408670), (240, 326936), (320, 245202), (384, 204335), (480, 163468), (640, 122601), (960, 81734), (1920, 40867)]