68747360

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:157

約数の個数: 144

約数和(自身を含む): 184606128

約数和(自身を除く): 115858768

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 53, 55, 67, 80, 88, 106, 110, 121, 134, 160, 176, 212, 220, 242, 265, 268, 335, 352, 424, 440, 484, 530, 536, 583, 605, 670, 737, 848, 880, 968, 1060, 1072, 1166, 1210, 1340, 1474, 1696, 1760, 1936, 2120, 2144, 2332, 2420, 2680, 2915, 2948, 3551, 3685, 3872, 4240, 4664, 4840, 5360, 5830, 5896, 6413, 7102, 7370, 8107, 8480, 9328, 9680, 10720, 11660, 11792, 12826, 14204, 14740, 16214, 17755, 18656, 19360, 23320, 23584, 25652, 28408, 29480, 32065, 32428, 35510, 39061, 40535, 46640, 51304, 56816, 58960, 64130, 64856, 71020, 78122, 81070, 93280, 102608, 113632, 117920, 128260, 129712, 142040, 156244, 162140, 195305, 205216, 256520, 259424, 284080, 312488, 324280, 390610, 429671, 513040, 568160, 624976, 648560, 781220, 859342, 1026080, 1249952, 1297120, 1562440, 1718684, 2148355, 3124880, 3437368, 4296710, 6249760, 6874736, 8593420, 13749472, 17186840, 34373680, 68747360]

約数ペア:

[(1, 68747360), (2, 34373680), (4, 17186840), (5, 13749472), (8, 8593420), (10, 6874736), (11, 6249760), (16, 4296710), (20, 3437368), (22, 3124880), (32, 2148355), (40, 1718684), (44, 1562440), (53, 1297120), (55, 1249952), (67, 1026080), (80, 859342), (88, 781220), (106, 648560), (110, 624976), (121, 568160), (134, 513040), (160, 429671), (176, 390610), (212, 324280), (220, 312488), (242, 284080), (265, 259424), (268, 256520), (335, 205216), (352, 195305), (424, 162140), (440, 156244), (484, 142040), (530, 129712), (536, 128260), (583, 117920), (605, 113632), (670, 102608), (737, 93280), (848, 81070), (880, 78122), (968, 71020), (1060, 64856), (1072, 64130), (1166, 58960), (1210, 56816), (1340, 51304), (1474, 46640), (1696, 40535), (1760, 39061), (1936, 35510), (2120, 32428), (2144, 32065), (2332, 29480), (2420, 28408), (2680, 25652), (2915, 23584), (2948, 23320), (3551, 19360), (3685, 18656), (3872, 17755), (4240, 16214), (4664, 14740), (4840, 14204), (5360, 12826), (5830, 11792), (5896, 11660), (6413, 10720), (7102, 9680), (7370, 9328), (8107, 8480)]