38478720

素因数分解:

$2^7\times 3^1\times 5^1\times 7^2\times {\mathrm{409}}^1$

素因数の和:445

約数の個数: 192

約数和(自身を含む): 143024400

約数和(自身を除く): 104545680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 128, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 384, 392, 409, 420, 448, 480, 490, 560, 588, 640, 672, 735, 784, 818, 840, 896, 960, 980, 1120, 1176, 1227, 1344, 1470, 1568, 1636, 1680, 1920, 1960, 2045, 2240, 2352, 2454, 2688, 2863, 2940, 3136, 3272, 3360, 3920, 4090, 4480, 4704, 4908, 5726, 5880, 6135, 6272, 6544, 6720, 7840, 8180, 8589, 9408, 9816, 11452, 11760, 12270, 13088, 13440, 14315, 15680, 16360, 17178, 18816, 19632, 20041, 22904, 23520, 24540, 26176, 28630, 31360, 32720, 34356, 39264, 40082, 42945, 45808, 47040, 49080, 52352, 57260, 60123, 65440, 68712, 78528, 80164, 85890, 91616, 94080, 98160, 100205, 114520, 120246, 130880, 137424, 157056, 160328, 171780, 183232, 196320, 200410, 229040, 240492, 261760, 274848, 300615, 320656, 343560, 366464, 392640, 400820, 458080, 480984, 549696, 601230, 641312, 687120, 785280, 801640, 916160, 961968, 1099392, 1202460, 1282624, 1374240, 1603280, 1832320, 1923936, 2404920, 2565248, 2748480, 3206560, 3847872, 4809840, 5496960, 6413120, 7695744, 9619680, 12826240, 19239360, 38478720]

約数ペア:

[(1, 38478720), (2, 19239360), (3, 12826240), (4, 9619680), (5, 7695744), (6, 6413120), (7, 5496960), (8, 4809840), (10, 3847872), (12, 3206560), (14, 2748480), (15, 2565248), (16, 2404920), (20, 1923936), (21, 1832320), (24, 1603280), (28, 1374240), (30, 1282624), (32, 1202460), (35, 1099392), (40, 961968), (42, 916160), (48, 801640), (49, 785280), (56, 687120), (60, 641312), (64, 601230), (70, 549696), (80, 480984), (84, 458080), (96, 400820), (98, 392640), (105, 366464), (112, 343560), (120, 320656), (128, 300615), (140, 274848), (147, 261760), (160, 240492), (168, 229040), (192, 200410), (196, 196320), (210, 183232), (224, 171780), (240, 160328), (245, 157056), (280, 137424), (294, 130880), (320, 120246), (336, 114520), (384, 100205), (392, 98160), (409, 94080), (420, 91616), (448, 85890), (480, 80164), (490, 78528), (560, 68712), (588, 65440), (640, 60123), (672, 57260), (735, 52352), (784, 49080), (818, 47040), (840, 45808), (896, 42945), (960, 40082), (980, 39264), (1120, 34356), (1176, 32720), (1227, 31360), (1344, 28630), (1470, 26176), (1568, 24540), (1636, 23520), (1680, 22904), (1920, 20041), (1960, 19632), (2045, 18816), (2240, 17178), (2352, 16360), (2454, 15680), (2688, 14315), (2863, 13440), (2940, 13088), (3136, 12270), (3272, 11760), (3360, 11452), (3920, 9816), (4090, 9408), (4480, 8589), (4704, 8180), (4908, 7840), (5726, 6720), (5880, 6544), (6135, 6272)]