1280451456

素因数分解:

$2^7\times 3^3\times {\mathrm{47}}^1\times {\mathrm{7883}}^1$

素因数の和:7953

約数の個数: 128

約数和(自身を含む): 3860006400

約数和(自身を除く): 2579554944

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, 282, 288, 376, 384, 423, 432, 564, 576, 752, 846, 864, 1128, 1152, 1269, 1504, 1692, 1728, 2256, 2538, 3008, 3384, 3456, 4512, 5076, 6016, 6768, 7883, 9024, 10152, 13536, 15766, 18048, 20304, 23649, 27072, 31532, 40608, 47298, 54144, 63064, 70947, 81216, 94596, 126128, 141894, 162432, 189192, 212841, 252256, 283788, 370501, 378384, 425682, 504512, 567576, 741002, 756768, 851364, 1009024, 1111503, 1135152, 1482004, 1513536, 1702728, 2223006, 2270304, 2964008, 3027072, 3334509, 3405456, 4446012, 4540608, 5928016, 6669018, 6810912, 8892024, 9081216, 10003527, 11856032, 13338036, 13621824, 17784048, 20007054, 23712064, 26676072, 27243648, 35568096, 40014108, 47424128, 53352144, 71136192, 80028216, 106704288, 142272384, 160056432, 213408576, 320112864, 426817152, 640225728, 1280451456]

約数ペア:

[(1, 1280451456), (2, 640225728), (3, 426817152), (4, 320112864), (6, 213408576), (8, 160056432), (9, 142272384), (12, 106704288), (16, 80028216), (18, 71136192), (24, 53352144), (27, 47424128), (32, 40014108), (36, 35568096), (47, 27243648), (48, 26676072), (54, 23712064), (64, 20007054), (72, 17784048), (94, 13621824), (96, 13338036), (108, 11856032), (128, 10003527), (141, 9081216), (144, 8892024), (188, 6810912), (192, 6669018), (216, 5928016), (282, 4540608), (288, 4446012), (376, 3405456), (384, 3334509), (423, 3027072), (432, 2964008), (564, 2270304), (576, 2223006), (752, 1702728), (846, 1513536), (864, 1482004), (1128, 1135152), (1152, 1111503), (1269, 1009024), (1504, 851364), (1692, 756768), (1728, 741002), (2256, 567576), (2538, 504512), (3008, 425682), (3384, 378384), (3456, 370501), (4512, 283788), (5076, 252256), (6016, 212841), (6768, 189192), (7883, 162432), (9024, 141894), (10152, 126128), (13536, 94596), (15766, 81216), (18048, 70947), (20304, 63064), (23649, 54144), (27072, 47298), (31532, 40608)]