15728080

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^2\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 60

約数和(自身を含む): 37782180

約数和(自身を除く): 22054100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 89, 94, 178, 188, 235, 356, 376, 445, 470, 712, 752, 890, 940, 1424, 1780, 1880, 2209, 3560, 3760, 4183, 4418, 7120, 8366, 8836, 11045, 16732, 17672, 20915, 22090, 33464, 35344, 41830, 44180, 66928, 83660, 88360, 167320, 176720, 196601, 334640, 393202, 786404, 983005, 1572808, 1966010, 3145616, 3932020, 7864040, 15728080]

約数ペア:

[(1, 15728080), (2, 7864040), (4, 3932020), (5, 3145616), (8, 1966010), (10, 1572808), (16, 983005), (20, 786404), (40, 393202), (47, 334640), (80, 196601), (89, 176720), (94, 167320), (178, 88360), (188, 83660), (235, 66928), (356, 44180), (376, 41830), (445, 35344), (470, 33464), (712, 22090), (752, 20915), (890, 17672), (940, 16732), (1424, 11045), (1780, 8836), (1880, 8366), (2209, 7120), (3560, 4418), (3760, 4183)]