71813440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:384

約数の個数: 112

約数和(自身を含む): 185879232

約数和(自身を除く): 114065792

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 43, 64, 68, 80, 85, 86, 136, 160, 170, 172, 215, 272, 307, 320, 340, 344, 430, 544, 614, 680, 688, 731, 860, 1088, 1228, 1360, 1376, 1462, 1535, 1720, 2456, 2720, 2752, 2924, 3070, 3440, 3655, 4912, 5219, 5440, 5848, 6140, 6880, 7310, 9824, 10438, 11696, 12280, 13201, 13760, 14620, 19648, 20876, 23392, 24560, 26095, 26402, 29240, 41752, 46784, 49120, 52190, 52804, 58480, 66005, 83504, 98240, 104380, 105608, 116960, 132010, 167008, 208760, 211216, 224417, 233920, 264020, 334016, 417520, 422432, 448834, 528040, 835040, 844864, 897668, 1056080, 1122085, 1670080, 1795336, 2112160, 2244170, 3590672, 4224320, 4488340, 7181344, 8976680, 14362688, 17953360, 35906720, 71813440]

約数ペア:

[(1, 71813440), (2, 35906720), (4, 17953360), (5, 14362688), (8, 8976680), (10, 7181344), (16, 4488340), (17, 4224320), (20, 3590672), (32, 2244170), (34, 2112160), (40, 1795336), (43, 1670080), (64, 1122085), (68, 1056080), (80, 897668), (85, 844864), (86, 835040), (136, 528040), (160, 448834), (170, 422432), (172, 417520), (215, 334016), (272, 264020), (307, 233920), (320, 224417), (340, 211216), (344, 208760), (430, 167008), (544, 132010), (614, 116960), (680, 105608), (688, 104380), (731, 98240), (860, 83504), (1088, 66005), (1228, 58480), (1360, 52804), (1376, 52190), (1462, 49120), (1535, 46784), (1720, 41752), (2456, 29240), (2720, 26402), (2752, 26095), (2924, 24560), (3070, 23392), (3440, 20876), (3655, 19648), (4912, 14620), (5219, 13760), (5440, 13201), (5848, 12280), (6140, 11696), (6880, 10438), (7310, 9824)]