664647680

素因数分解:

$2^{11}\times 5^1\times {\mathrm{47}}^1\times {\mathrm{1381}}^1$

素因数の和:1455

約数の個数: 96

約数和(自身を含む): 1629875520

約数和(自身を除く): 965227840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 256, 320, 376, 470, 512, 640, 752, 940, 1024, 1280, 1381, 1504, 1880, 2048, 2560, 2762, 3008, 3760, 5120, 5524, 6016, 6905, 7520, 10240, 11048, 12032, 13810, 15040, 22096, 24064, 27620, 30080, 44192, 48128, 55240, 60160, 64907, 88384, 96256, 110480, 120320, 129814, 176768, 220960, 240640, 259628, 324535, 353536, 441920, 481280, 519256, 649070, 707072, 883840, 1038512, 1298140, 1414144, 1767680, 2077024, 2596280, 2828288, 3535360, 4154048, 5192560, 7070720, 8308096, 10385120, 14141440, 16616192, 20770240, 33232384, 41540480, 66464768, 83080960, 132929536, 166161920, 332323840, 664647680]

約数ペア:

[(1, 664647680), (2, 332323840), (4, 166161920), (5, 132929536), (8, 83080960), (10, 66464768), (16, 41540480), (20, 33232384), (32, 20770240), (40, 16616192), (47, 14141440), (64, 10385120), (80, 8308096), (94, 7070720), (128, 5192560), (160, 4154048), (188, 3535360), (235, 2828288), (256, 2596280), (320, 2077024), (376, 1767680), (470, 1414144), (512, 1298140), (640, 1038512), (752, 883840), (940, 707072), (1024, 649070), (1280, 519256), (1381, 481280), (1504, 441920), (1880, 353536), (2048, 324535), (2560, 259628), (2762, 240640), (3008, 220960), (3760, 176768), (5120, 129814), (5524, 120320), (6016, 110480), (6905, 96256), (7520, 88384), (10240, 64907), (11048, 60160), (12032, 55240), (13810, 48128), (15040, 44192), (22096, 30080), (24064, 27620)]