128234016

素因数分解:

$2^5\times 3^6\times {\mathrm{23}}^1\times {\mathrm{239}}^1$

素因数の和:290

約数の個数: 168

約数和(自身を含む): 396627840

約数和(自身を除く): 268393824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 69, 72, 81, 92, 96, 108, 138, 144, 162, 184, 207, 216, 239, 243, 276, 288, 324, 368, 414, 432, 478, 486, 552, 621, 648, 717, 729, 736, 828, 864, 956, 972, 1104, 1242, 1296, 1434, 1458, 1656, 1863, 1912, 1944, 2151, 2208, 2484, 2592, 2868, 2916, 3312, 3726, 3824, 3888, 4302, 4968, 5497, 5589, 5736, 5832, 6453, 6624, 7452, 7648, 7776, 8604, 9936, 10994, 11178, 11472, 11664, 12906, 14904, 16491, 16767, 17208, 19359, 19872, 21988, 22356, 22944, 23328, 25812, 29808, 32982, 33534, 34416, 38718, 43976, 44712, 49473, 51624, 58077, 59616, 65964, 67068, 68832, 77436, 87952, 89424, 98946, 103248, 116154, 131928, 134136, 148419, 154872, 174231, 175904, 178848, 197892, 206496, 232308, 263856, 268272, 296838, 309744, 348462, 395784, 445257, 464616, 527712, 536544, 593676, 619488, 696924, 791568, 890514, 929232, 1187352, 1335771, 1393848, 1583136, 1781028, 1858464, 2374704, 2671542, 2787696, 3562056, 4007313, 4749408, 5343084, 5575392, 7124112, 8014626, 10686168, 14248224, 16029252, 21372336, 32058504, 42744672, 64117008, 128234016]

約数ペア:

[(1, 128234016), (2, 64117008), (3, 42744672), (4, 32058504), (6, 21372336), (8, 16029252), (9, 14248224), (12, 10686168), (16, 8014626), (18, 7124112), (23, 5575392), (24, 5343084), (27, 4749408), (32, 4007313), (36, 3562056), (46, 2787696), (48, 2671542), (54, 2374704), (69, 1858464), (72, 1781028), (81, 1583136), (92, 1393848), (96, 1335771), (108, 1187352), (138, 929232), (144, 890514), (162, 791568), (184, 696924), (207, 619488), (216, 593676), (239, 536544), (243, 527712), (276, 464616), (288, 445257), (324, 395784), (368, 348462), (414, 309744), (432, 296838), (478, 268272), (486, 263856), (552, 232308), (621, 206496), (648, 197892), (717, 178848), (729, 175904), (736, 174231), (828, 154872), (864, 148419), (956, 134136), (972, 131928), (1104, 116154), (1242, 103248), (1296, 98946), (1434, 89424), (1458, 87952), (1656, 77436), (1863, 68832), (1912, 67068), (1944, 65964), (2151, 59616), (2208, 58077), (2484, 51624), (2592, 49473), (2868, 44712), (2916, 43976), (3312, 38718), (3726, 34416), (3824, 33534), (3888, 32982), (4302, 29808), (4968, 25812), (5497, 23328), (5589, 22944), (5736, 22356), (5832, 21988), (6453, 19872), (6624, 19359), (7452, 17208), (7648, 16767), (7776, 16491), (8604, 14904), (9936, 12906), (10994, 11664), (11178, 11472)]