645198720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{336041}}^1$

素因数の和:336063

約数の個数: 64

約数和(自身を含む): 2056577040

約数和(自身を除く): 1411378320

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, 336041, 672082, 1008123, 1344164, 1680205, 2016246, 2688328, 3360410, 4032492, 5040615, 5376656, 6720820, 8064984, 10081230, 10753312, 13441640, 16129968, 20162460, 21506624, 26883280, 32259936, 40324920, 43013248, 53766560, 64519872, 80649840, 107533120, 129039744, 161299680, 215066240, 322599360, 645198720]

約数ペア:

[(1, 645198720), (2, 322599360), (3, 215066240), (4, 161299680), (5, 129039744), (6, 107533120), (8, 80649840), (10, 64519872), (12, 53766560), (15, 43013248), (16, 40324920), (20, 32259936), (24, 26883280), (30, 21506624), (32, 20162460), (40, 16129968), (48, 13441640), (60, 10753312), (64, 10081230), (80, 8064984), (96, 6720820), (120, 5376656), (128, 5040615), (160, 4032492), (192, 3360410), (240, 2688328), (320, 2016246), (384, 1680205), (480, 1344164), (640, 1008123), (960, 672082), (1920, 336041)]