81953280

素因数分解:

$2^9\times 3^2\times 5^1\times {\mathrm{3557}}^1$

素因数の和:3586

約数の個数: 120

約数和(自身を含む): 283907052

約数和(自身を除く): 201953772

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 128, 144, 160, 180, 192, 240, 256, 288, 320, 360, 384, 480, 512, 576, 640, 720, 768, 960, 1152, 1280, 1440, 1536, 1920, 2304, 2560, 2880, 3557, 3840, 4608, 5760, 7114, 7680, 10671, 11520, 14228, 17785, 21342, 23040, 28456, 32013, 35570, 42684, 53355, 56912, 64026, 71140, 85368, 106710, 113824, 128052, 142280, 160065, 170736, 213420, 227648, 256104, 284560, 320130, 341472, 426840, 455296, 512208, 569120, 640260, 682944, 853680, 910592, 1024416, 1138240, 1280520, 1365888, 1707360, 1821184, 2048832, 2276480, 2561040, 2731776, 3414720, 4097664, 4552960, 5122080, 5463552, 6829440, 8195328, 9105920, 10244160, 13658880, 16390656, 20488320, 27317760, 40976640, 81953280]

約数ペア:

[(1, 81953280), (2, 40976640), (3, 27317760), (4, 20488320), (5, 16390656), (6, 13658880), (8, 10244160), (9, 9105920), (10, 8195328), (12, 6829440), (15, 5463552), (16, 5122080), (18, 4552960), (20, 4097664), (24, 3414720), (30, 2731776), (32, 2561040), (36, 2276480), (40, 2048832), (45, 1821184), (48, 1707360), (60, 1365888), (64, 1280520), (72, 1138240), (80, 1024416), (90, 910592), (96, 853680), (120, 682944), (128, 640260), (144, 569120), (160, 512208), (180, 455296), (192, 426840), (240, 341472), (256, 320130), (288, 284560), (320, 256104), (360, 227648), (384, 213420), (480, 170736), (512, 160065), (576, 142280), (640, 128052), (720, 113824), (768, 106710), (960, 85368), (1152, 71140), (1280, 64026), (1440, 56912), (1536, 53355), (1920, 42684), (2304, 35570), (2560, 32013), (2880, 28456), (3557, 23040), (3840, 21342), (4608, 17785), (5760, 14228), (7114, 11520), (7680, 10671)]