66466430720

素因数分解:

$2^8\times 5^1\times {\mathrm{719}}^1\times {\mathrm{72221}}^1$

素因数の和:72961

約数の個数: 72

約数和(自身を含む): 159431509440

約数和(自身を除く): 92965078720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 719, 1280, 1438, 2876, 3595, 5752, 7190, 11504, 14380, 23008, 28760, 46016, 57520, 72221, 92032, 115040, 144442, 184064, 230080, 288884, 361105, 460160, 577768, 722210, 920320, 1155536, 1444420, 2311072, 2888840, 4622144, 5777680, 9244288, 11555360, 18488576, 23110720, 46221440, 51926899, 92442880, 103853798, 207707596, 259634495, 415415192, 519268990, 830830384, 1038537980, 1661660768, 2077075960, 3323321536, 4154151920, 6646643072, 8308303840, 13293286144, 16616607680, 33233215360, 66466430720]

約数ペア:

[(1, 66466430720), (2, 33233215360), (4, 16616607680), (5, 13293286144), (8, 8308303840), (10, 6646643072), (16, 4154151920), (20, 3323321536), (32, 2077075960), (40, 1661660768), (64, 1038537980), (80, 830830384), (128, 519268990), (160, 415415192), (256, 259634495), (320, 207707596), (640, 103853798), (719, 92442880), (1280, 51926899), (1438, 46221440), (2876, 23110720), (3595, 18488576), (5752, 11555360), (7190, 9244288), (11504, 5777680), (14380, 4622144), (23008, 2888840), (28760, 2311072), (46016, 1444420), (57520, 1155536), (72221, 920320), (92032, 722210), (115040, 577768), (144442, 460160), (184064, 361105), (230080, 288884)]