212107840

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{179}}^1$

素因数の和:249

約数の個数: 168

約数和(自身を含む): 606795840

約数和(自身を除く): 394688000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 140, 160, 161, 179, 184, 224, 230, 280, 320, 322, 358, 368, 448, 460, 529, 560, 644, 716, 736, 805, 895, 920, 1058, 1120, 1253, 1288, 1432, 1472, 1610, 1790, 1840, 2116, 2240, 2506, 2576, 2645, 2864, 3220, 3580, 3680, 3703, 4117, 4232, 5012, 5152, 5290, 5728, 6265, 6440, 7160, 7360, 7406, 8234, 8464, 10024, 10304, 10580, 11456, 12530, 12880, 14320, 14812, 16468, 16928, 18515, 20048, 20585, 21160, 25060, 25760, 28640, 28819, 29624, 32936, 33856, 37030, 40096, 41170, 42320, 50120, 51520, 57280, 57638, 59248, 65872, 74060, 80192, 82340, 84640, 94691, 100240, 115276, 118496, 131744, 144095, 148120, 164680, 169280, 189382, 200480, 230552, 236992, 263488, 288190, 296240, 329360, 378764, 400960, 461104, 473455, 576380, 592480, 658720, 662837, 757528, 922208, 946910, 1152760, 1184960, 1317440, 1325674, 1515056, 1844416, 1893820, 2305520, 2651348, 3030112, 3314185, 3787640, 4611040, 5302696, 6060224, 6628370, 7575280, 9222080, 10605392, 13256740, 15150560, 21210784, 26513480, 30301120, 42421568, 53026960, 106053920, 212107840]

約数ペア:

[(1, 212107840), (2, 106053920), (4, 53026960), (5, 42421568), (7, 30301120), (8, 26513480), (10, 21210784), (14, 15150560), (16, 13256740), (20, 10605392), (23, 9222080), (28, 7575280), (32, 6628370), (35, 6060224), (40, 5302696), (46, 4611040), (56, 3787640), (64, 3314185), (70, 3030112), (80, 2651348), (92, 2305520), (112, 1893820), (115, 1844416), (140, 1515056), (160, 1325674), (161, 1317440), (179, 1184960), (184, 1152760), (224, 946910), (230, 922208), (280, 757528), (320, 662837), (322, 658720), (358, 592480), (368, 576380), (448, 473455), (460, 461104), (529, 400960), (560, 378764), (644, 329360), (716, 296240), (736, 288190), (805, 263488), (895, 236992), (920, 230552), (1058, 200480), (1120, 189382), (1253, 169280), (1288, 164680), (1432, 148120), (1472, 144095), (1610, 131744), (1790, 118496), (1840, 115276), (2116, 100240), (2240, 94691), (2506, 84640), (2576, 82340), (2645, 80192), (2864, 74060), (3220, 65872), (3580, 59248), (3680, 57638), (3703, 57280), (4117, 51520), (4232, 50120), (5012, 42320), (5152, 41170), (5290, 40096), (5728, 37030), (6265, 33856), (6440, 32936), (7160, 29624), (7360, 28819), (7406, 28640), (8234, 25760), (8464, 25060), (10024, 21160), (10304, 20585), (10580, 20048), (11456, 18515), (12530, 16928), (12880, 16468), (14320, 14812)]