71667200

素因数分解:

$2^9\times 5^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1$

素因数の和:548

約数の個数: 120

約数和(自身を含む): 194083560

約数和(自身を除く): 122416360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 128, 160, 176, 200, 220, 256, 275, 320, 352, 400, 440, 509, 512, 550, 640, 704, 800, 880, 1018, 1100, 1280, 1408, 1600, 1760, 2036, 2200, 2545, 2560, 2816, 3200, 3520, 4072, 4400, 5090, 5599, 5632, 6400, 7040, 8144, 8800, 10180, 11198, 12725, 12800, 14080, 16288, 17600, 20360, 22396, 25450, 27995, 28160, 32576, 35200, 40720, 44792, 50900, 55990, 65152, 70400, 81440, 89584, 101800, 111980, 130304, 139975, 140800, 162880, 179168, 203600, 223960, 260608, 279950, 325760, 358336, 407200, 447920, 559900, 651520, 716672, 814400, 895840, 1119800, 1303040, 1433344, 1628800, 1791680, 2239600, 2866688, 3257600, 3583360, 4479200, 6515200, 7166720, 8958400, 14333440, 17916800, 35833600, 71667200]

約数ペア:

[(1, 71667200), (2, 35833600), (4, 17916800), (5, 14333440), (8, 8958400), (10, 7166720), (11, 6515200), (16, 4479200), (20, 3583360), (22, 3257600), (25, 2866688), (32, 2239600), (40, 1791680), (44, 1628800), (50, 1433344), (55, 1303040), (64, 1119800), (80, 895840), (88, 814400), (100, 716672), (110, 651520), (128, 559900), (160, 447920), (176, 407200), (200, 358336), (220, 325760), (256, 279950), (275, 260608), (320, 223960), (352, 203600), (400, 179168), (440, 162880), (509, 140800), (512, 139975), (550, 130304), (640, 111980), (704, 101800), (800, 89584), (880, 81440), (1018, 70400), (1100, 65152), (1280, 55990), (1408, 50900), (1600, 44792), (1760, 40720), (2036, 35200), (2200, 32576), (2545, 28160), (2560, 27995), (2816, 25450), (3200, 22396), (3520, 20360), (4072, 17600), (4400, 16288), (5090, 14080), (5599, 12800), (5632, 12725), (6400, 11198), (7040, 10180), (8144, 8800)]