278021232

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^2\times {\mathrm{383}}^1$

素因数の和:539

約数の個数: 90

約数和(自身を含む): 791246976

約数和(自身を除く): 513225744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 383, 426, 568, 639, 766, 852, 1136, 1149, 1278, 1532, 1704, 2298, 2556, 3064, 3408, 3447, 4596, 5041, 5112, 6128, 6894, 9192, 10082, 10224, 13788, 15123, 18384, 20164, 27193, 27576, 30246, 40328, 45369, 54386, 55152, 60492, 80656, 81579, 90738, 108772, 120984, 163158, 181476, 217544, 241968, 244737, 326316, 362952, 435088, 489474, 652632, 725904, 978948, 1305264, 1930703, 1957896, 3861406, 3915792, 5792109, 7722812, 11584218, 15445624, 17376327, 23168436, 30891248, 34752654, 46336872, 69505308, 92673744, 139010616, 278021232]

約数ペア:

[(1, 278021232), (2, 139010616), (3, 92673744), (4, 69505308), (6, 46336872), (8, 34752654), (9, 30891248), (12, 23168436), (16, 17376327), (18, 15445624), (24, 11584218), (36, 7722812), (48, 5792109), (71, 3915792), (72, 3861406), (142, 1957896), (144, 1930703), (213, 1305264), (284, 978948), (383, 725904), (426, 652632), (568, 489474), (639, 435088), (766, 362952), (852, 326316), (1136, 244737), (1149, 241968), (1278, 217544), (1532, 181476), (1704, 163158), (2298, 120984), (2556, 108772), (3064, 90738), (3408, 81579), (3447, 80656), (4596, 60492), (5041, 55152), (5112, 54386), (6128, 45369), (6894, 40328), (9192, 30246), (10082, 27576), (10224, 27193), (13788, 20164), (15123, 18384)]