1870798720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1021}}^1$

素因数の和:1456

約数の個数: 128

約数和(自身を含む): 5128804800

約数和(自身を除く): 3258006080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 409, 448, 560, 640, 818, 896, 1021, 1120, 1636, 2042, 2045, 2240, 2863, 3272, 4084, 4090, 4480, 5105, 5726, 6544, 7147, 8168, 8180, 10210, 11452, 13088, 14294, 14315, 16336, 16360, 20420, 22904, 26176, 28588, 28630, 32672, 32720, 35735, 40840, 45808, 52352, 57176, 57260, 65344, 65440, 71470, 81680, 91616, 114352, 114520, 130688, 130880, 142940, 163360, 183232, 228704, 229040, 261760, 285880, 326720, 366464, 417589, 457408, 458080, 571760, 653440, 835178, 914816, 916160, 1143520, 1670356, 1832320, 2087945, 2287040, 2923123, 3340712, 4175890, 4574080, 5846246, 6681424, 8351780, 11692492, 13362848, 14615615, 16703560, 23384984, 26725696, 29231230, 33407120, 46769968, 53451392, 58462460, 66814240, 93539936, 116924920, 133628480, 187079872, 233849840, 267256960, 374159744, 467699680, 935399360, 1870798720]

約数ペア:

[(1, 1870798720), (2, 935399360), (4, 467699680), (5, 374159744), (7, 267256960), (8, 233849840), (10, 187079872), (14, 133628480), (16, 116924920), (20, 93539936), (28, 66814240), (32, 58462460), (35, 53451392), (40, 46769968), (56, 33407120), (64, 29231230), (70, 26725696), (80, 23384984), (112, 16703560), (128, 14615615), (140, 13362848), (160, 11692492), (224, 8351780), (280, 6681424), (320, 5846246), (409, 4574080), (448, 4175890), (560, 3340712), (640, 2923123), (818, 2287040), (896, 2087945), (1021, 1832320), (1120, 1670356), (1636, 1143520), (2042, 916160), (2045, 914816), (2240, 835178), (2863, 653440), (3272, 571760), (4084, 458080), (4090, 457408), (4480, 417589), (5105, 366464), (5726, 326720), (6544, 285880), (7147, 261760), (8168, 229040), (8180, 228704), (10210, 183232), (11452, 163360), (13088, 142940), (14294, 130880), (14315, 130688), (16336, 114520), (16360, 114352), (20420, 91616), (22904, 81680), (26176, 71470), (28588, 65440), (28630, 65344), (32672, 57260), (32720, 57176), (35735, 52352), (40840, 45808)]