208970640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{12619}}^1$

素因数の和:12661

約数の個数: 120

約数和(自身を含む): 732363840

約数和(自身を除く): 523393200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 12619, 16560, 25238, 37857, 50476, 63095, 75714, 100952, 113571, 126190, 151428, 189285, 201904, 227142, 252380, 290237, 302856, 378570, 454284, 504760, 567855, 580474, 605712, 757140, 870711, 908568, 1009520, 1135710, 1160948, 1451185, 1514280, 1741422, 1817136, 2271420, 2321896, 2612133, 2902370, 3028560, 3482844, 4353555, 4542840, 4643792, 5224266, 5804740, 6965688, 8707110, 9085680, 10448532, 11609480, 13060665, 13931376, 17414220, 20897064, 23218960, 26121330, 34828440, 41794128, 52242660, 69656880, 104485320, 208970640]

約数ペア:

[(1, 208970640), (2, 104485320), (3, 69656880), (4, 52242660), (5, 41794128), (6, 34828440), (8, 26121330), (9, 23218960), (10, 20897064), (12, 17414220), (15, 13931376), (16, 13060665), (18, 11609480), (20, 10448532), (23, 9085680), (24, 8707110), (30, 6965688), (36, 5804740), (40, 5224266), (45, 4643792), (46, 4542840), (48, 4353555), (60, 3482844), (69, 3028560), (72, 2902370), (80, 2612133), (90, 2321896), (92, 2271420), (115, 1817136), (120, 1741422), (138, 1514280), (144, 1451185), (180, 1160948), (184, 1135710), (207, 1009520), (230, 908568), (240, 870711), (276, 757140), (345, 605712), (360, 580474), (368, 567855), (414, 504760), (460, 454284), (552, 378570), (690, 302856), (720, 290237), (828, 252380), (920, 227142), (1035, 201904), (1104, 189285), (1380, 151428), (1656, 126190), (1840, 113571), (2070, 100952), (2760, 75714), (3312, 63095), (4140, 50476), (5520, 37857), (8280, 25238), (12619, 16560)]