128761344

素因数分解:

$2^9\times 3^2\times {\mathrm{27943}}^1$

素因数の和:27967

約数の個数: 60

約数和(自身を含む): 371627256

約数和(自身を除く): 242865912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1152, 1536, 2304, 4608, 27943, 55886, 83829, 111772, 167658, 223544, 251487, 335316, 447088, 502974, 670632, 894176, 1005948, 1341264, 1788352, 2011896, 2682528, 3576704, 4023792, 5365056, 7153408, 8047584, 10730112, 14306816, 16095168, 21460224, 32190336, 42920448, 64380672, 128761344]

約数ペア:

[(1, 128761344), (2, 64380672), (3, 42920448), (4, 32190336), (6, 21460224), (8, 16095168), (9, 14306816), (12, 10730112), (16, 8047584), (18, 7153408), (24, 5365056), (32, 4023792), (36, 3576704), (48, 2682528), (64, 2011896), (72, 1788352), (96, 1341264), (128, 1005948), (144, 894176), (192, 670632), (256, 502974), (288, 447088), (384, 335316), (512, 251487), (576, 223544), (768, 167658), (1152, 111772), (1536, 83829), (2304, 55886), (4608, 27943)]