991893120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{516611}}^1$

素因数の和:516633

約数の個数: 64

約数和(自身を含む): 3161665440

約数和(自身を除く): 2169772320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 516611, 1033222, 1549833, 2066444, 2583055, 3099666, 4132888, 5166110, 6199332, 7749165, 8265776, 10332220, 12398664, 15498330, 16531552, 20664440, 24797328, 30996660, 33063104, 41328880, 49594656, 61993320, 66126208, 82657760, 99189312, 123986640, 165315520, 198378624, 247973280, 330631040, 495946560, 991893120]

約数ペア:

[(1, 991893120), (2, 495946560), (3, 330631040), (4, 247973280), (5, 198378624), (6, 165315520), (8, 123986640), (10, 99189312), (12, 82657760), (15, 66126208), (16, 61993320), (20, 49594656), (24, 41328880), (30, 33063104), (32, 30996660), (40, 24797328), (48, 20664440), (60, 16531552), (64, 15498330), (80, 12398664), (96, 10332220), (120, 8265776), (128, 7749165), (160, 6199332), (192, 5166110), (240, 4132888), (320, 3099666), (384, 2583055), (480, 2066444), (640, 1549833), (960, 1033222), (1920, 516611)]