68400720

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{31667}}^1$

素因数の和:31689

約数の個数: 80

約数和(自身を含む): 235609920

約数和(自身を除く): 167209200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 31667, 63334, 95001, 126668, 158335, 190002, 253336, 285003, 316670, 380004, 475005, 506672, 570006, 633340, 760008, 855009, 950010, 1140012, 1266680, 1425015, 1520016, 1710018, 1900020, 2280024, 2533360, 2850030, 3420036, 3800040, 4275045, 4560048, 5700060, 6840072, 7600080, 8550090, 11400120, 13680144, 17100180, 22800240, 34200360, 68400720]

約数ペア:

[(1, 68400720), (2, 34200360), (3, 22800240), (4, 17100180), (5, 13680144), (6, 11400120), (8, 8550090), (9, 7600080), (10, 6840072), (12, 5700060), (15, 4560048), (16, 4275045), (18, 3800040), (20, 3420036), (24, 2850030), (27, 2533360), (30, 2280024), (36, 1900020), (40, 1710018), (45, 1520016), (48, 1425015), (54, 1266680), (60, 1140012), (72, 950010), (80, 855009), (90, 760008), (108, 633340), (120, 570006), (135, 506672), (144, 475005), (180, 380004), (216, 316670), (240, 285003), (270, 253336), (360, 190002), (432, 158335), (540, 126668), (720, 95001), (1080, 63334), (2160, 31667)]