819912320

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67427}}^1$

素因数の和:67465

約数の個数: 64

約数和(自身を含む): 2063296800

約数和(自身を除く): 1243384480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 2432, 3040, 6080, 12160, 67427, 134854, 269708, 337135, 539416, 674270, 1078832, 1281113, 1348540, 2157664, 2562226, 2697080, 4315328, 5124452, 5394160, 6405565, 8630656, 10248904, 10788320, 12811130, 20497808, 21576640, 25622260, 40995616, 43153280, 51244520, 81991232, 102489040, 163982464, 204978080, 409956160, 819912320]

約数ペア:

[(1, 819912320), (2, 409956160), (4, 204978080), (5, 163982464), (8, 102489040), (10, 81991232), (16, 51244520), (19, 43153280), (20, 40995616), (32, 25622260), (38, 21576640), (40, 20497808), (64, 12811130), (76, 10788320), (80, 10248904), (95, 8630656), (128, 6405565), (152, 5394160), (160, 5124452), (190, 4315328), (304, 2697080), (320, 2562226), (380, 2157664), (608, 1348540), (640, 1281113), (760, 1078832), (1216, 674270), (1520, 539416), (2432, 337135), (3040, 269708), (6080, 134854), (12160, 67427)]