1831388280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1\times {\mathrm{821}}^1$

素因数の和:1505

約数の個数: 128

約数和(自身を含む): 5699419200

約数和(自身を除く): 3868030920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 641, 696, 821, 870, 1160, 1282, 1642, 1740, 1923, 2463, 2564, 3205, 3284, 3480, 3846, 4105, 4926, 5128, 6410, 6568, 7692, 8210, 9615, 9852, 12315, 12820, 15384, 16420, 18589, 19230, 19704, 23809, 24630, 25640, 32840, 37178, 38460, 47618, 49260, 55767, 71427, 74356, 76920, 92945, 95236, 98520, 111534, 119045, 142854, 148712, 185890, 190472, 223068, 238090, 278835, 285708, 357135, 371780, 446136, 476180, 526261, 557670, 571416, 714270, 743560, 952360, 1052522, 1115340, 1428540, 1578783, 2105044, 2230680, 2631305, 2857080, 3157566, 4210088, 5262610, 6315132, 7893915, 10525220, 12630264, 15261569, 15787830, 21050440, 30523138, 31575660, 45784707, 61046276, 63151320, 76307845, 91569414, 122092552, 152615690, 183138828, 228923535, 305231380, 366277656, 457847070, 610462760, 915694140, 1831388280]

約数ペア:

[(1, 1831388280), (2, 915694140), (3, 610462760), (4, 457847070), (5, 366277656), (6, 305231380), (8, 228923535), (10, 183138828), (12, 152615690), (15, 122092552), (20, 91569414), (24, 76307845), (29, 63151320), (30, 61046276), (40, 45784707), (58, 31575660), (60, 30523138), (87, 21050440), (116, 15787830), (120, 15261569), (145, 12630264), (174, 10525220), (232, 7893915), (290, 6315132), (348, 5262610), (435, 4210088), (580, 3157566), (641, 2857080), (696, 2631305), (821, 2230680), (870, 2105044), (1160, 1578783), (1282, 1428540), (1642, 1115340), (1740, 1052522), (1923, 952360), (2463, 743560), (2564, 714270), (3205, 571416), (3284, 557670), (3480, 526261), (3846, 476180), (4105, 446136), (4926, 371780), (5128, 357135), (6410, 285708), (6568, 278835), (7692, 238090), (8210, 223068), (9615, 190472), (9852, 185890), (12315, 148712), (12820, 142854), (15384, 119045), (16420, 111534), (18589, 98520), (19230, 95236), (19704, 92945), (23809, 76920), (24630, 74356), (25640, 71427), (32840, 55767), (37178, 49260), (38460, 47618)]