78588160

素因数分解:

$2^8\times 5^1\times 7^3\times {\mathrm{179}}^1$

素因数の和:221

約数の個数: 144

約数和(自身を含む): 220752000

約数和(自身を除く): 142163840

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, 560, 640, 686, 716, 784, 895, 896, 980, 1120, 1253, 1280, 1372, 1432, 1568, 1715, 1790, 1792, 1960, 2240, 2506, 2744, 2864, 3136, 3430, 3580, 3920, 4480, 5012, 5488, 5728, 6265, 6272, 6860, 7160, 7840, 8771, 8960, 10024, 10976, 11456, 12530, 12544, 13720, 14320, 15680, 17542, 20048, 21952, 22912, 25060, 27440, 28640, 31360, 35084, 40096, 43855, 43904, 45824, 50120, 54880, 57280, 61397, 62720, 70168, 80192, 87710, 87808, 100240, 109760, 114560, 122794, 140336, 160384, 175420, 200480, 219520, 229120, 245588, 280672, 306985, 320768, 350840, 400960, 439040, 491176, 561344, 613970, 701680, 801920, 982352, 1122688, 1227940, 1403360, 1603840, 1964704, 2245376, 2455880, 2806720, 3929408, 4911760, 5613440, 7858816, 9823520, 11226880, 15717632, 19647040, 39294080, 78588160]

約数ペア:

[(1, 78588160), (2, 39294080), (4, 19647040), (5, 15717632), (7, 11226880), (8, 9823520), (10, 7858816), (14, 5613440), (16, 4911760), (20, 3929408), (28, 2806720), (32, 2455880), (35, 2245376), (40, 1964704), (49, 1603840), (56, 1403360), (64, 1227940), (70, 1122688), (80, 982352), (98, 801920), (112, 701680), (128, 613970), (140, 561344), (160, 491176), (179, 439040), (196, 400960), (224, 350840), (245, 320768), (256, 306985), (280, 280672), (320, 245588), (343, 229120), (358, 219520), (392, 200480), (448, 175420), (490, 160384), (560, 140336), (640, 122794), (686, 114560), (716, 109760), (784, 100240), (895, 87808), (896, 87710), (980, 80192), (1120, 70168), (1253, 62720), (1280, 61397), (1372, 57280), (1432, 54880), (1568, 50120), (1715, 45824), (1790, 43904), (1792, 43855), (1960, 40096), (2240, 35084), (2506, 31360), (2744, 28640), (2864, 27440), (3136, 25060), (3430, 22912), (3580, 21952), (3920, 20048), (4480, 17542), (5012, 15680), (5488, 14320), (5728, 13720), (6265, 12544), (6272, 12530), (6860, 11456), (7160, 10976), (7840, 10024), (8771, 8960)]