71448800

素因数分解:

$2^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 186988032

約数和(自身を除く): 115539232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 43, 50, 62, 67, 80, 86, 100, 124, 134, 155, 160, 172, 200, 215, 248, 268, 310, 335, 344, 400, 430, 496, 536, 620, 670, 688, 775, 800, 860, 992, 1072, 1075, 1240, 1333, 1340, 1376, 1550, 1675, 1720, 2077, 2144, 2150, 2480, 2666, 2680, 2881, 3100, 3350, 3440, 4154, 4300, 4960, 5332, 5360, 5762, 6200, 6665, 6700, 6880, 8308, 8600, 10385, 10664, 10720, 11524, 12400, 13330, 13400, 14405, 16616, 17200, 20770, 21328, 23048, 24800, 26660, 26800, 28810, 33232, 33325, 34400, 41540, 42656, 46096, 51925, 53320, 53600, 57620, 66464, 66650, 72025, 83080, 89311, 92192, 103850, 106640, 115240, 133300, 144050, 166160, 178622, 207700, 213280, 230480, 266600, 288100, 332320, 357244, 415400, 446555, 460960, 533200, 576200, 714488, 830800, 893110, 1066400, 1152400, 1428976, 1661600, 1786220, 2232775, 2304800, 2857952, 3572440, 4465550, 7144880, 8931100, 14289760, 17862200, 35724400, 71448800]

約数ペア:

[(1, 71448800), (2, 35724400), (4, 17862200), (5, 14289760), (8, 8931100), (10, 7144880), (16, 4465550), (20, 3572440), (25, 2857952), (31, 2304800), (32, 2232775), (40, 1786220), (43, 1661600), (50, 1428976), (62, 1152400), (67, 1066400), (80, 893110), (86, 830800), (100, 714488), (124, 576200), (134, 533200), (155, 460960), (160, 446555), (172, 415400), (200, 357244), (215, 332320), (248, 288100), (268, 266600), (310, 230480), (335, 213280), (344, 207700), (400, 178622), (430, 166160), (496, 144050), (536, 133300), (620, 115240), (670, 106640), (688, 103850), (775, 92192), (800, 89311), (860, 83080), (992, 72025), (1072, 66650), (1075, 66464), (1240, 57620), (1333, 53600), (1340, 53320), (1376, 51925), (1550, 46096), (1675, 42656), (1720, 41540), (2077, 34400), (2144, 33325), (2150, 33232), (2480, 28810), (2666, 26800), (2680, 26660), (2881, 24800), (3100, 23048), (3350, 21328), (3440, 20770), (4154, 17200), (4300, 16616), (4960, 14405), (5332, 13400), (5360, 13330), (5762, 12400), (6200, 11524), (6665, 10720), (6700, 10664), (6880, 10385), (8308, 8600)]