2815706720

素因数分解:

$2^5\times 5^1\times {\mathrm{191}}^1\times {\mathrm{199}}^1\times {\mathrm{463}}^1$

素因数の和:868

約数の個数: 96

約数和(自身を含む): 6735052800

約数和(自身を除く): 3919346080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 191, 199, 382, 398, 463, 764, 796, 926, 955, 995, 1528, 1592, 1852, 1910, 1990, 2315, 3056, 3184, 3704, 3820, 3980, 4630, 6112, 6368, 7408, 7640, 7960, 9260, 14816, 15280, 15920, 18520, 30560, 31840, 37040, 38009, 74080, 76018, 88433, 92137, 152036, 176866, 184274, 190045, 304072, 353732, 368548, 380090, 442165, 460685, 608144, 707464, 737096, 760180, 884330, 921370, 1216288, 1414928, 1474192, 1520360, 1768660, 1842740, 2829856, 2948384, 3040720, 3537320, 3685480, 6081440, 7074640, 7370960, 14149280, 14741920, 17598167, 35196334, 70392668, 87990835, 140785336, 175981670, 281570672, 351963340, 563141344, 703926680, 1407853360, 2815706720]

約数ペア:

[(1, 2815706720), (2, 1407853360), (4, 703926680), (5, 563141344), (8, 351963340), (10, 281570672), (16, 175981670), (20, 140785336), (32, 87990835), (40, 70392668), (80, 35196334), (160, 17598167), (191, 14741920), (199, 14149280), (382, 7370960), (398, 7074640), (463, 6081440), (764, 3685480), (796, 3537320), (926, 3040720), (955, 2948384), (995, 2829856), (1528, 1842740), (1592, 1768660), (1852, 1520360), (1910, 1474192), (1990, 1414928), (2315, 1216288), (3056, 921370), (3184, 884330), (3704, 760180), (3820, 737096), (3980, 707464), (4630, 608144), (6112, 460685), (6368, 442165), (7408, 380090), (7640, 368548), (7960, 353732), (9260, 304072), (14816, 190045), (15280, 184274), (15920, 176866), (18520, 152036), (30560, 92137), (31840, 88433), (37040, 76018), (38009, 74080)]