213890640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2179}}^1$

素因数の和:2604

約数の個数: 80

約数和(自身を含む): 664987200

約数和(自身を除く): 451096560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 409, 818, 1227, 1636, 2045, 2179, 2454, 3272, 4090, 4358, 4908, 6135, 6537, 6544, 8180, 8716, 9816, 10895, 12270, 13074, 16360, 17432, 19632, 21790, 24540, 26148, 32685, 32720, 34864, 43580, 49080, 52296, 65370, 87160, 98160, 104592, 130740, 174320, 261480, 522960, 891211, 1782422, 2673633, 3564844, 4456055, 5347266, 7129688, 8912110, 10694532, 13368165, 14259376, 17824220, 21389064, 26736330, 35648440, 42778128, 53472660, 71296880, 106945320, 213890640]

約数ペア:

[(1, 213890640), (2, 106945320), (3, 71296880), (4, 53472660), (5, 42778128), (6, 35648440), (8, 26736330), (10, 21389064), (12, 17824220), (15, 14259376), (16, 13368165), (20, 10694532), (24, 8912110), (30, 7129688), (40, 5347266), (48, 4456055), (60, 3564844), (80, 2673633), (120, 1782422), (240, 891211), (409, 522960), (818, 261480), (1227, 174320), (1636, 130740), (2045, 104592), (2179, 98160), (2454, 87160), (3272, 65370), (4090, 52296), (4358, 49080), (4908, 43580), (6135, 34864), (6537, 32720), (6544, 32685), (8180, 26148), (8716, 24540), (9816, 21790), (10895, 19632), (12270, 17432), (13074, 16360)]