68661440

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{491}}^1$

素因数の和:550

約数の個数: 112

約数和(自身を含む): 179953920

約数和(自身を除く): 111292480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 152, 160, 184, 190, 230, 304, 320, 368, 380, 437, 460, 491, 608, 736, 760, 874, 920, 982, 1216, 1472, 1520, 1748, 1840, 1964, 2185, 2455, 3040, 3496, 3680, 3928, 4370, 4910, 6080, 6992, 7360, 7856, 8740, 9329, 9820, 11293, 13984, 15712, 17480, 18658, 19640, 22586, 27968, 31424, 34960, 37316, 39280, 45172, 46645, 56465, 69920, 74632, 78560, 90344, 93290, 112930, 139840, 149264, 157120, 180688, 186580, 214567, 225860, 298528, 361376, 373160, 429134, 451720, 597056, 722752, 746320, 858268, 903440, 1072835, 1492640, 1716536, 1806880, 2145670, 2985280, 3433072, 3613760, 4291340, 6866144, 8582680, 13732288, 17165360, 34330720, 68661440]

約数ペア:

[(1, 68661440), (2, 34330720), (4, 17165360), (5, 13732288), (8, 8582680), (10, 6866144), (16, 4291340), (19, 3613760), (20, 3433072), (23, 2985280), (32, 2145670), (38, 1806880), (40, 1716536), (46, 1492640), (64, 1072835), (76, 903440), (80, 858268), (92, 746320), (95, 722752), (115, 597056), (152, 451720), (160, 429134), (184, 373160), (190, 361376), (230, 298528), (304, 225860), (320, 214567), (368, 186580), (380, 180688), (437, 157120), (460, 149264), (491, 139840), (608, 112930), (736, 93290), (760, 90344), (874, 78560), (920, 74632), (982, 69920), (1216, 56465), (1472, 46645), (1520, 45172), (1748, 39280), (1840, 37316), (1964, 34960), (2185, 31424), (2455, 27968), (3040, 22586), (3496, 19640), (3680, 18658), (3928, 17480), (4370, 15712), (4910, 13984), (6080, 11293), (6992, 9820), (7360, 9329), (7856, 8740)]