399247920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{184837}}^1$

素因数の和:184859

約数の個数: 80

約数和(自身を含む): 1375194720

約数和(自身を除く): 975946800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 184837, 369674, 554511, 739348, 924185, 1109022, 1478696, 1663533, 1848370, 2218044, 2772555, 2957392, 3327066, 3696740, 4436088, 4990599, 5545110, 6654132, 7393480, 8317665, 8872176, 9981198, 11090220, 13308264, 14786960, 16635330, 19962396, 22180440, 24952995, 26616528, 33270660, 39924792, 44360880, 49905990, 66541320, 79849584, 99811980, 133082640, 199623960, 399247920]

約数ペア:

[(1, 399247920), (2, 199623960), (3, 133082640), (4, 99811980), (5, 79849584), (6, 66541320), (8, 49905990), (9, 44360880), (10, 39924792), (12, 33270660), (15, 26616528), (16, 24952995), (18, 22180440), (20, 19962396), (24, 16635330), (27, 14786960), (30, 13308264), (36, 11090220), (40, 9981198), (45, 8872176), (48, 8317665), (54, 7393480), (60, 6654132), (72, 5545110), (80, 4990599), (90, 4436088), (108, 3696740), (120, 3327066), (135, 2957392), (144, 2772555), (180, 2218044), (216, 1848370), (240, 1663533), (270, 1478696), (360, 1109022), (432, 924185), (540, 739348), (720, 554511), (1080, 369674), (2160, 184837)]