128971008

素因数分解:

$2^8\times 3^3\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:469

約数の個数: 144

約数和(自身を含む): 390485760

約数和(自身を除く): 261514752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 47, 48, 54, 64, 72, 94, 96, 108, 128, 141, 144, 188, 192, 216, 256, 282, 288, 376, 384, 397, 423, 432, 564, 576, 752, 768, 794, 846, 864, 1128, 1152, 1191, 1269, 1504, 1588, 1692, 1728, 2256, 2304, 2382, 2538, 3008, 3176, 3384, 3456, 3573, 4512, 4764, 5076, 6016, 6352, 6768, 6912, 7146, 9024, 9528, 10152, 10719, 12032, 12704, 13536, 14292, 18048, 18659, 19056, 20304, 21438, 25408, 27072, 28584, 36096, 37318, 38112, 40608, 42876, 50816, 54144, 55977, 57168, 74636, 76224, 81216, 85752, 101632, 108288, 111954, 114336, 149272, 152448, 162432, 167931, 171504, 223908, 228672, 298544, 304896, 324864, 335862, 343008, 447816, 457344, 503793, 597088, 671724, 686016, 895632, 914688, 1007586, 1194176, 1343448, 1372032, 1791264, 2015172, 2388352, 2686896, 2744064, 3582528, 4030344, 4776704, 5373792, 7165056, 8060688, 10747584, 14330112, 16121376, 21495168, 32242752, 42990336, 64485504, 128971008]

約数ペア:

[(1, 128971008), (2, 64485504), (3, 42990336), (4, 32242752), (6, 21495168), (8, 16121376), (9, 14330112), (12, 10747584), (16, 8060688), (18, 7165056), (24, 5373792), (27, 4776704), (32, 4030344), (36, 3582528), (47, 2744064), (48, 2686896), (54, 2388352), (64, 2015172), (72, 1791264), (94, 1372032), (96, 1343448), (108, 1194176), (128, 1007586), (141, 914688), (144, 895632), (188, 686016), (192, 671724), (216, 597088), (256, 503793), (282, 457344), (288, 447816), (376, 343008), (384, 335862), (397, 324864), (423, 304896), (432, 298544), (564, 228672), (576, 223908), (752, 171504), (768, 167931), (794, 162432), (846, 152448), (864, 149272), (1128, 114336), (1152, 111954), (1191, 108288), (1269, 101632), (1504, 85752), (1588, 81216), (1692, 76224), (1728, 74636), (2256, 57168), (2304, 55977), (2382, 54144), (2538, 50816), (3008, 42876), (3176, 40608), (3384, 38112), (3456, 37318), (3573, 36096), (4512, 28584), (4764, 27072), (5076, 25408), (6016, 21438), (6352, 20304), (6768, 19056), (6912, 18659), (7146, 18048), (9024, 14292), (9528, 13536), (10152, 12704), (10719, 12032)]