68945904

素因数分解:

$2^4\times 3^6\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:306

約数の個数: 140

約数和(自身を含む): 209803536

約数和(自身を除く): 140857632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 36, 46, 48, 54, 69, 72, 81, 92, 108, 138, 144, 162, 184, 207, 216, 243, 257, 276, 324, 368, 414, 432, 486, 514, 552, 621, 648, 729, 771, 828, 972, 1028, 1104, 1242, 1296, 1458, 1542, 1656, 1863, 1944, 2056, 2313, 2484, 2916, 3084, 3312, 3726, 3888, 4112, 4626, 4968, 5589, 5832, 5911, 6168, 6939, 7452, 9252, 9936, 11178, 11664, 11822, 12336, 13878, 14904, 16767, 17733, 18504, 20817, 22356, 23644, 27756, 29808, 33534, 35466, 37008, 41634, 44712, 47288, 53199, 55512, 62451, 67068, 70932, 83268, 89424, 94576, 106398, 111024, 124902, 134136, 141864, 159597, 166536, 187353, 212796, 249804, 268272, 283728, 319194, 333072, 374706, 425592, 478791, 499608, 638388, 749412, 851184, 957582, 999216, 1276776, 1436373, 1498824, 1915164, 2553552, 2872746, 2997648, 3830328, 4309119, 5745492, 7660656, 8618238, 11490984, 17236476, 22981968, 34472952, 68945904]

約数ペア:

[(1, 68945904), (2, 34472952), (3, 22981968), (4, 17236476), (6, 11490984), (8, 8618238), (9, 7660656), (12, 5745492), (16, 4309119), (18, 3830328), (23, 2997648), (24, 2872746), (27, 2553552), (36, 1915164), (46, 1498824), (48, 1436373), (54, 1276776), (69, 999216), (72, 957582), (81, 851184), (92, 749412), (108, 638388), (138, 499608), (144, 478791), (162, 425592), (184, 374706), (207, 333072), (216, 319194), (243, 283728), (257, 268272), (276, 249804), (324, 212796), (368, 187353), (414, 166536), (432, 159597), (486, 141864), (514, 134136), (552, 124902), (621, 111024), (648, 106398), (729, 94576), (771, 89424), (828, 83268), (972, 70932), (1028, 67068), (1104, 62451), (1242, 55512), (1296, 53199), (1458, 47288), (1542, 44712), (1656, 41634), (1863, 37008), (1944, 35466), (2056, 33534), (2313, 29808), (2484, 27756), (2916, 23644), (3084, 22356), (3312, 20817), (3726, 18504), (3888, 17733), (4112, 16767), (4626, 14904), (4968, 13878), (5589, 12336), (5832, 11822), (5911, 11664), (6168, 11178), (6939, 9936), (7452, 9252)]