227745280

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 160

約数和(自身を含む): 636387840

約数和(自身を除く): 408642560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 71, 80, 112, 128, 140, 142, 160, 179, 224, 256, 280, 284, 320, 355, 358, 448, 497, 512, 560, 568, 640, 710, 716, 895, 896, 994, 1120, 1136, 1253, 1280, 1420, 1432, 1790, 1792, 1988, 2240, 2272, 2485, 2506, 2560, 2840, 2864, 3580, 3584, 3976, 4480, 4544, 4970, 5012, 5680, 5728, 6265, 7160, 7952, 8960, 9088, 9940, 10024, 11360, 11456, 12530, 12709, 14320, 15904, 17920, 18176, 19880, 20048, 22720, 22912, 25060, 25418, 28640, 31808, 36352, 39760, 40096, 45440, 45824, 50120, 50836, 57280, 63545, 63616, 79520, 80192, 88963, 90880, 91648, 100240, 101672, 114560, 127090, 127232, 159040, 160384, 177926, 181760, 200480, 203344, 229120, 254180, 254464, 318080, 320768, 355852, 400960, 406688, 444815, 458240, 508360, 636160, 641536, 711704, 801920, 813376, 889630, 1016720, 1272320, 1423408, 1603840, 1626752, 1779260, 2033440, 2846816, 3207680, 3253504, 3558520, 4066880, 5693632, 6507008, 7117040, 8133760, 11387264, 14234080, 16267520, 22774528, 28468160, 32535040, 45549056, 56936320, 113872640, 227745280]

約数ペア:

[(1, 227745280), (2, 113872640), (4, 56936320), (5, 45549056), (7, 32535040), (8, 28468160), (10, 22774528), (14, 16267520), (16, 14234080), (20, 11387264), (28, 8133760), (32, 7117040), (35, 6507008), (40, 5693632), (56, 4066880), (64, 3558520), (70, 3253504), (71, 3207680), (80, 2846816), (112, 2033440), (128, 1779260), (140, 1626752), (142, 1603840), (160, 1423408), (179, 1272320), (224, 1016720), (256, 889630), (280, 813376), (284, 801920), (320, 711704), (355, 641536), (358, 636160), (448, 508360), (497, 458240), (512, 444815), (560, 406688), (568, 400960), (640, 355852), (710, 320768), (716, 318080), (895, 254464), (896, 254180), (994, 229120), (1120, 203344), (1136, 200480), (1253, 181760), (1280, 177926), (1420, 160384), (1432, 159040), (1790, 127232), (1792, 127090), (1988, 114560), (2240, 101672), (2272, 100240), (2485, 91648), (2506, 90880), (2560, 88963), (2840, 80192), (2864, 79520), (3580, 63616), (3584, 63545), (3976, 57280), (4480, 50836), (4544, 50120), (4970, 45824), (5012, 45440), (5680, 40096), (5728, 39760), (6265, 36352), (7160, 31808), (7952, 28640), (8960, 25418), (9088, 25060), (9940, 22912), (10024, 22720), (11360, 20048), (11456, 19880), (12530, 18176), (12709, 17920), (14320, 15904)]