311946880

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{389}}^1$

素因数の和:594

約数の個数: 128

約数和(自身を含む): 859248000

約数和(自身を除く): 547301120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 179, 224, 280, 320, 358, 389, 448, 560, 640, 716, 778, 895, 896, 1120, 1253, 1432, 1556, 1790, 1945, 2240, 2506, 2723, 2864, 3112, 3580, 3890, 4480, 5012, 5446, 5728, 6224, 6265, 7160, 7780, 10024, 10892, 11456, 12448, 12530, 13615, 14320, 15560, 20048, 21784, 22912, 24896, 25060, 27230, 28640, 31120, 40096, 43568, 49792, 50120, 54460, 57280, 62240, 69631, 80192, 87136, 100240, 108920, 114560, 124480, 139262, 160384, 174272, 200480, 217840, 248960, 278524, 348155, 348544, 400960, 435680, 487417, 557048, 696310, 801920, 871360, 974834, 1114096, 1392620, 1742720, 1949668, 2228192, 2437085, 2785240, 3899336, 4456384, 4874170, 5570480, 7798672, 8912768, 9748340, 11140960, 15597344, 19496680, 22281920, 31194688, 38993360, 44563840, 62389376, 77986720, 155973440, 311946880]

約数ペア:

[(1, 311946880), (2, 155973440), (4, 77986720), (5, 62389376), (7, 44563840), (8, 38993360), (10, 31194688), (14, 22281920), (16, 19496680), (20, 15597344), (28, 11140960), (32, 9748340), (35, 8912768), (40, 7798672), (56, 5570480), (64, 4874170), (70, 4456384), (80, 3899336), (112, 2785240), (128, 2437085), (140, 2228192), (160, 1949668), (179, 1742720), (224, 1392620), (280, 1114096), (320, 974834), (358, 871360), (389, 801920), (448, 696310), (560, 557048), (640, 487417), (716, 435680), (778, 400960), (895, 348544), (896, 348155), (1120, 278524), (1253, 248960), (1432, 217840), (1556, 200480), (1790, 174272), (1945, 160384), (2240, 139262), (2506, 124480), (2723, 114560), (2864, 108920), (3112, 100240), (3580, 87136), (3890, 80192), (4480, 69631), (5012, 62240), (5446, 57280), (5728, 54460), (6224, 50120), (6265, 49792), (7160, 43568), (7780, 40096), (10024, 31120), (10892, 28640), (11456, 27230), (12448, 25060), (12530, 24896), (13615, 22912), (14320, 21784), (15560, 20048)]