128611584

素因数分解:

$2^8\times 3^3\times {\mathrm{23}}^1\times {\mathrm{809}}^1$

素因数の和:857

約数の個数: 144

約数和(自身を含む): 397353600

約数和(自身を除く): 268742016

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 27, 32, 36, 46, 48, 54, 64, 69, 72, 92, 96, 108, 128, 138, 144, 184, 192, 207, 216, 256, 276, 288, 368, 384, 414, 432, 552, 576, 621, 736, 768, 809, 828, 864, 1104, 1152, 1242, 1472, 1618, 1656, 1728, 2208, 2304, 2427, 2484, 2944, 3236, 3312, 3456, 4416, 4854, 4968, 5888, 6472, 6624, 6912, 7281, 8832, 9708, 9936, 12944, 13248, 14562, 17664, 18607, 19416, 19872, 21843, 25888, 26496, 29124, 37214, 38832, 39744, 43686, 51776, 52992, 55821, 58248, 74428, 77664, 79488, 87372, 103552, 111642, 116496, 148856, 155328, 158976, 167463, 174744, 207104, 223284, 232992, 297712, 310656, 334926, 349488, 446568, 465984, 502389, 595424, 621312, 669852, 698976, 893136, 931968, 1004778, 1190848, 1339704, 1397952, 1786272, 1863936, 2009556, 2381696, 2679408, 2795904, 3572544, 4019112, 4763392, 5358816, 5591808, 7145088, 8038224, 10717632, 14290176, 16076448, 21435264, 32152896, 42870528, 64305792, 128611584]

約数ペア:

[(1, 128611584), (2, 64305792), (3, 42870528), (4, 32152896), (6, 21435264), (8, 16076448), (9, 14290176), (12, 10717632), (16, 8038224), (18, 7145088), (23, 5591808), (24, 5358816), (27, 4763392), (32, 4019112), (36, 3572544), (46, 2795904), (48, 2679408), (54, 2381696), (64, 2009556), (69, 1863936), (72, 1786272), (92, 1397952), (96, 1339704), (108, 1190848), (128, 1004778), (138, 931968), (144, 893136), (184, 698976), (192, 669852), (207, 621312), (216, 595424), (256, 502389), (276, 465984), (288, 446568), (368, 349488), (384, 334926), (414, 310656), (432, 297712), (552, 232992), (576, 223284), (621, 207104), (736, 174744), (768, 167463), (809, 158976), (828, 155328), (864, 148856), (1104, 116496), (1152, 111642), (1242, 103552), (1472, 87372), (1618, 79488), (1656, 77664), (1728, 74428), (2208, 58248), (2304, 55821), (2427, 52992), (2484, 51776), (2944, 43686), (3236, 39744), (3312, 38832), (3456, 37214), (4416, 29124), (4854, 26496), (4968, 25888), (5888, 21843), (6472, 19872), (6624, 19416), (6912, 18607), (7281, 17664), (8832, 14562), (9708, 13248), (9936, 12944)]