628705280

素因数分解:

$2^{11}\times 5^1\times 7^3\times {\mathrm{179}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 1769040000

約数和(自身を除く): 1140334720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 179, 196, 224, 245, 256, 280, 320, 343, 358, 392, 448, 490, 512, 560, 640, 686, 716, 784, 895, 896, 980, 1024, 1120, 1253, 1280, 1372, 1432, 1568, 1715, 1790, 1792, 1960, 2048, 2240, 2506, 2560, 2744, 2864, 3136, 3430, 3580, 3584, 3920, 4480, 5012, 5120, 5488, 5728, 6265, 6272, 6860, 7160, 7168, 7840, 8771, 8960, 10024, 10240, 10976, 11456, 12530, 12544, 13720, 14320, 14336, 15680, 17542, 17920, 20048, 21952, 22912, 25060, 25088, 27440, 28640, 31360, 35084, 35840, 40096, 43855, 43904, 45824, 50120, 50176, 54880, 57280, 61397, 62720, 70168, 71680, 80192, 87710, 87808, 91648, 100240, 100352, 109760, 114560, 122794, 125440, 140336, 160384, 175420, 175616, 183296, 200480, 219520, 229120, 245588, 250880, 280672, 306985, 320768, 350840, 351232, 366592, 400960, 439040, 458240, 491176, 501760, 561344, 613970, 641536, 701680, 702464, 801920, 878080, 916480, 982352, 1122688, 1227940, 1283072, 1403360, 1603840, 1756160, 1832960, 1964704, 2245376, 2455880, 2566144, 2806720, 3207680, 3512320, 3929408, 4490752, 4911760, 5613440, 6415360, 7858816, 8981504, 9823520, 11226880, 12830720, 15717632, 17963008, 19647040, 22453760, 31435264, 39294080, 44907520, 62870528, 78588160, 89815040, 125741056, 157176320, 314352640, 628705280]

約数ペア:

[(1, 628705280), (2, 314352640), (4, 157176320), (5, 125741056), (7, 89815040), (8, 78588160), (10, 62870528), (14, 44907520), (16, 39294080), (20, 31435264), (28, 22453760), (32, 19647040), (35, 17963008), (40, 15717632), (49, 12830720), (56, 11226880), (64, 9823520), (70, 8981504), (80, 7858816), (98, 6415360), (112, 5613440), (128, 4911760), (140, 4490752), (160, 3929408), (179, 3512320), (196, 3207680), (224, 2806720), (245, 2566144), (256, 2455880), (280, 2245376), (320, 1964704), (343, 1832960), (358, 1756160), (392, 1603840), (448, 1403360), (490, 1283072), (512, 1227940), (560, 1122688), (640, 982352), (686, 916480), (716, 878080), (784, 801920), (895, 702464), (896, 701680), (980, 641536), (1024, 613970), (1120, 561344), (1253, 501760), (1280, 491176), (1372, 458240), (1432, 439040), (1568, 400960), (1715, 366592), (1790, 351232), (1792, 350840), (1960, 320768), (2048, 306985), (2240, 280672), (2506, 250880), (2560, 245588), (2744, 229120), (2864, 219520), (3136, 200480), (3430, 183296), (3580, 175616), (3584, 175420), (3920, 160384), (4480, 140336), (5012, 125440), (5120, 122794), (5488, 114560), (5728, 109760), (6265, 100352), (6272, 100240), (6860, 91648), (7160, 87808), (7168, 87710), (7840, 80192), (8771, 71680), (8960, 70168), (10024, 62720), (10240, 61397), (10976, 57280), (11456, 54880), (12530, 50176), (12544, 50120), (13720, 45824), (14320, 43904), (14336, 43855), (15680, 40096), (17542, 35840), (17920, 35084), (20048, 31360), (21952, 28640), (22912, 27440), (25060, 25088)]