21440503920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{198083}}^1$

素因数の和:198151

約数の個数: 160

約数和(自身を含む): 74276745984

約数和(自身を除く): 52836242064

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 41, 44, 48, 55, 60, 66, 80, 82, 88, 110, 120, 123, 132, 164, 165, 176, 205, 220, 240, 246, 264, 328, 330, 410, 440, 451, 492, 528, 615, 656, 660, 820, 880, 902, 984, 1230, 1320, 1353, 1640, 1804, 1968, 2255, 2460, 2640, 2706, 3280, 3608, 4510, 4920, 5412, 6765, 7216, 9020, 9840, 10824, 13530, 18040, 21648, 27060, 36080, 54120, 108240, 198083, 396166, 594249, 792332, 990415, 1188498, 1584664, 1980830, 2178913, 2376996, 2971245, 3169328, 3961660, 4357826, 4753992, 5942490, 6536739, 7923320, 8121403, 8715652, 9507984, 10894565, 11884980, 13073478, 15846640, 16242806, 17431304, 21789130, 23769960, 24364209, 26146956, 32485612, 32683695, 34862608, 40607015, 43578260, 47539920, 48728418, 52293912, 64971224, 65367390, 81214030, 87156520, 89335433, 97456836, 104587824, 121821045, 129942448, 130734780, 162428060, 174313040, 178670866, 194913672, 243642090, 261469560, 268006299, 324856120, 357341732, 389827344, 446677165, 487284180, 522939120, 536012598, 649712240, 714683464, 893354330, 974568360, 1072025196, 1340031495, 1429366928, 1786708660, 1949136720, 2144050392, 2680062990, 3573417320, 4288100784, 5360125980, 7146834640, 10720251960, 21440503920]

約数ペア:

[(1, 21440503920), (2, 10720251960), (3, 7146834640), (4, 5360125980), (5, 4288100784), (6, 3573417320), (8, 2680062990), (10, 2144050392), (11, 1949136720), (12, 1786708660), (15, 1429366928), (16, 1340031495), (20, 1072025196), (22, 974568360), (24, 893354330), (30, 714683464), (33, 649712240), (40, 536012598), (41, 522939120), (44, 487284180), (48, 446677165), (55, 389827344), (60, 357341732), (66, 324856120), (80, 268006299), (82, 261469560), (88, 243642090), (110, 194913672), (120, 178670866), (123, 174313040), (132, 162428060), (164, 130734780), (165, 129942448), (176, 121821045), (205, 104587824), (220, 97456836), (240, 89335433), (246, 87156520), (264, 81214030), (328, 65367390), (330, 64971224), (410, 52293912), (440, 48728418), (451, 47539920), (492, 43578260), (528, 40607015), (615, 34862608), (656, 32683695), (660, 32485612), (820, 26146956), (880, 24364209), (902, 23769960), (984, 21789130), (1230, 17431304), (1320, 16242806), (1353, 15846640), (1640, 13073478), (1804, 11884980), (1968, 10894565), (2255, 9507984), (2460, 8715652), (2640, 8121403), (2706, 7923320), (3280, 6536739), (3608, 5942490), (4510, 4753992), (4920, 4357826), (5412, 3961660), (6765, 3169328), (7216, 2971245), (9020, 2376996), (9840, 2178913), (10824, 1980830), (13530, 1584664), (18040, 1188498), (21648, 990415), (27060, 792332), (36080, 594249), (54120, 396166), (108240, 198083)]