258218240

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{179}}^1$

素因数の和:237

約数の個数: 216

約数和(自身を含む): 754971840

約数和(自身を除く): 496753600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 64, 70, 80, 92, 98, 112, 115, 128, 140, 160, 161, 179, 184, 196, 224, 230, 245, 256, 280, 320, 322, 358, 368, 392, 448, 460, 490, 560, 640, 644, 716, 736, 784, 805, 895, 896, 920, 980, 1120, 1127, 1253, 1280, 1288, 1432, 1472, 1568, 1610, 1790, 1792, 1840, 1960, 2240, 2254, 2506, 2576, 2864, 2944, 3136, 3220, 3580, 3680, 3920, 4117, 4480, 4508, 5012, 5152, 5635, 5728, 5888, 6265, 6272, 6440, 7160, 7360, 7840, 8234, 8771, 8960, 9016, 10024, 10304, 11270, 11456, 12530, 12544, 12880, 14320, 14720, 15680, 16468, 17542, 18032, 20048, 20585, 20608, 22540, 22912, 25060, 25760, 28640, 28819, 29440, 31360, 32936, 35084, 36064, 40096, 41170, 41216, 43855, 45080, 45824, 50120, 51520, 57280, 57638, 62720, 65872, 70168, 72128, 80192, 82340, 87710, 90160, 100240, 103040, 114560, 115276, 131744, 140336, 144095, 144256, 160384, 164680, 175420, 180320, 200480, 201733, 206080, 229120, 230552, 263488, 280672, 288190, 288512, 320768, 329360, 350840, 360640, 400960, 403466, 461104, 526976, 561344, 576380, 658720, 701680, 721280, 801920, 806932, 922208, 1008665, 1053952, 1122688, 1152760, 1317440, 1403360, 1442560, 1603840, 1613864, 1844416, 2017330, 2245376, 2305520, 2634880, 2806720, 3227728, 3688832, 4034660, 4611040, 5269760, 5613440, 6455456, 7377664, 8069320, 9222080, 11226880, 12910912, 16138640, 18444160, 25821824, 32277280, 36888320, 51643648, 64554560, 129109120, 258218240]

約数ペア:

[(1, 258218240), (2, 129109120), (4, 64554560), (5, 51643648), (7, 36888320), (8, 32277280), (10, 25821824), (14, 18444160), (16, 16138640), (20, 12910912), (23, 11226880), (28, 9222080), (32, 8069320), (35, 7377664), (40, 6455456), (46, 5613440), (49, 5269760), (56, 4611040), (64, 4034660), (70, 3688832), (80, 3227728), (92, 2806720), (98, 2634880), (112, 2305520), (115, 2245376), (128, 2017330), (140, 1844416), (160, 1613864), (161, 1603840), (179, 1442560), (184, 1403360), (196, 1317440), (224, 1152760), (230, 1122688), (245, 1053952), (256, 1008665), (280, 922208), (320, 806932), (322, 801920), (358, 721280), (368, 701680), (392, 658720), (448, 576380), (460, 561344), (490, 526976), (560, 461104), (640, 403466), (644, 400960), (716, 360640), (736, 350840), (784, 329360), (805, 320768), (895, 288512), (896, 288190), (920, 280672), (980, 263488), (1120, 230552), (1127, 229120), (1253, 206080), (1280, 201733), (1288, 200480), (1432, 180320), (1472, 175420), (1568, 164680), (1610, 160384), (1790, 144256), (1792, 144095), (1840, 140336), (1960, 131744), (2240, 115276), (2254, 114560), (2506, 103040), (2576, 100240), (2864, 90160), (2944, 87710), (3136, 82340), (3220, 80192), (3580, 72128), (3680, 70168), (3920, 65872), (4117, 62720), (4480, 57638), (4508, 57280), (5012, 51520), (5152, 50120), (5635, 45824), (5728, 45080), (5888, 43855), (6265, 41216), (6272, 41170), (6440, 40096), (7160, 36064), (7360, 35084), (7840, 32936), (8234, 31360), (8771, 29440), (8960, 28819), (9016, 28640), (10024, 25760), (10304, 25060), (11270, 22912), (11456, 22540), (12530, 20608), (12544, 20585), (12880, 20048), (14320, 18032), (14720, 17542), (15680, 16468)]