81487008

素因数分解:

$2^5\times 3^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 144

約数和(自身を含む): 243262656

約数和(自身を除く): 161775648

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 41, 48, 67, 72, 82, 96, 103, 123, 134, 144, 164, 201, 206, 246, 268, 288, 309, 328, 369, 402, 412, 492, 536, 603, 618, 656, 738, 804, 824, 927, 984, 1072, 1206, 1236, 1312, 1476, 1608, 1648, 1854, 1968, 2144, 2412, 2472, 2747, 2952, 3216, 3296, 3708, 3936, 4223, 4824, 4944, 5494, 5904, 6432, 6901, 7416, 8241, 8446, 9648, 9888, 10988, 11808, 12669, 13802, 14832, 16482, 16892, 19296, 20703, 21976, 24723, 25338, 27604, 29664, 32964, 33784, 38007, 41406, 43952, 49446, 50676, 55208, 62109, 65928, 67568, 76014, 82812, 87904, 98892, 101352, 110416, 124218, 131856, 135136, 152028, 165624, 197784, 202704, 220832, 248436, 263712, 282941, 304056, 331248, 395568, 405408, 496872, 565882, 608112, 662496, 791136, 848823, 993744, 1131764, 1216224, 1697646, 1987488, 2263528, 2546469, 3395292, 4527056, 5092938, 6790584, 9054112, 10185876, 13581168, 20371752, 27162336, 40743504, 81487008]

約数ペア:

[(1, 81487008), (2, 40743504), (3, 27162336), (4, 20371752), (6, 13581168), (8, 10185876), (9, 9054112), (12, 6790584), (16, 5092938), (18, 4527056), (24, 3395292), (32, 2546469), (36, 2263528), (41, 1987488), (48, 1697646), (67, 1216224), (72, 1131764), (82, 993744), (96, 848823), (103, 791136), (123, 662496), (134, 608112), (144, 565882), (164, 496872), (201, 405408), (206, 395568), (246, 331248), (268, 304056), (288, 282941), (309, 263712), (328, 248436), (369, 220832), (402, 202704), (412, 197784), (492, 165624), (536, 152028), (603, 135136), (618, 131856), (656, 124218), (738, 110416), (804, 101352), (824, 98892), (927, 87904), (984, 82812), (1072, 76014), (1206, 67568), (1236, 65928), (1312, 62109), (1476, 55208), (1608, 50676), (1648, 49446), (1854, 43952), (1968, 41406), (2144, 38007), (2412, 33784), (2472, 32964), (2747, 29664), (2952, 27604), (3216, 25338), (3296, 24723), (3708, 21976), (3936, 20703), (4223, 19296), (4824, 16892), (4944, 16482), (5494, 14832), (5904, 13802), (6432, 12669), (6901, 11808), (7416, 10988), (8241, 9888), (8446, 9648)]