2912400720

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{20533}}^1$

素因数の和:20749

約数の個数: 120

約数和(自身を含む): 9830939976

約数和(自身を除く): 6918539256

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 197, 240, 360, 394, 591, 720, 788, 985, 1182, 1576, 1773, 1970, 2364, 2955, 3152, 3546, 3940, 4728, 5910, 7092, 7880, 8865, 9456, 11820, 14184, 15760, 17730, 20533, 23640, 28368, 35460, 41066, 47280, 61599, 70920, 82132, 102665, 123198, 141840, 164264, 184797, 205330, 246396, 307995, 328528, 369594, 410660, 492792, 615990, 739188, 821320, 923985, 985584, 1231980, 1478376, 1642640, 1847970, 2463960, 2956752, 3695940, 4045001, 4927920, 7391880, 8090002, 12135003, 14783760, 16180004, 20225005, 24270006, 32360008, 36405009, 40450010, 48540012, 60675015, 64720016, 72810018, 80900020, 97080024, 121350030, 145620036, 161800040, 182025045, 194160048, 242700060, 291240072, 323600080, 364050090, 485400120, 582480144, 728100180, 970800240, 1456200360, 2912400720]

約数ペア:

[(1, 2912400720), (2, 1456200360), (3, 970800240), (4, 728100180), (5, 582480144), (6, 485400120), (8, 364050090), (9, 323600080), (10, 291240072), (12, 242700060), (15, 194160048), (16, 182025045), (18, 161800040), (20, 145620036), (24, 121350030), (30, 97080024), (36, 80900020), (40, 72810018), (45, 64720016), (48, 60675015), (60, 48540012), (72, 40450010), (80, 36405009), (90, 32360008), (120, 24270006), (144, 20225005), (180, 16180004), (197, 14783760), (240, 12135003), (360, 8090002), (394, 7391880), (591, 4927920), (720, 4045001), (788, 3695940), (985, 2956752), (1182, 2463960), (1576, 1847970), (1773, 1642640), (1970, 1478376), (2364, 1231980), (2955, 985584), (3152, 923985), (3546, 821320), (3940, 739188), (4728, 615990), (5910, 492792), (7092, 410660), (7880, 369594), (8865, 328528), (9456, 307995), (11820, 246396), (14184, 205330), (15760, 184797), (17730, 164264), (20533, 141840), (23640, 123198), (28368, 102665), (35460, 82132), (41066, 70920), (47280, 61599)]