66402960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21283}}^1$

素因数の和:21312

約数の個数: 80

約数和(自身を含む): 221694144

約数和(自身を除く): 155291184

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 21283, 42566, 63849, 85132, 106415, 127698, 170264, 212830, 255396, 276679, 319245, 340528, 425660, 510792, 553358, 638490, 830037, 851320, 1021584, 1106716, 1276980, 1383395, 1660074, 1702640, 2213432, 2553960, 2766790, 3320148, 4150185, 4426864, 5107920, 5533580, 6640296, 8300370, 11067160, 13280592, 16600740, 22134320, 33201480, 66402960]

約数ペア:

[(1, 66402960), (2, 33201480), (3, 22134320), (4, 16600740), (5, 13280592), (6, 11067160), (8, 8300370), (10, 6640296), (12, 5533580), (13, 5107920), (15, 4426864), (16, 4150185), (20, 3320148), (24, 2766790), (26, 2553960), (30, 2213432), (39, 1702640), (40, 1660074), (48, 1383395), (52, 1276980), (60, 1106716), (65, 1021584), (78, 851320), (80, 830037), (104, 638490), (120, 553358), (130, 510792), (156, 425660), (195, 340528), (208, 319245), (240, 276679), (260, 255396), (312, 212830), (390, 170264), (520, 127698), (624, 106415), (780, 85132), (1040, 63849), (1560, 42566), (3120, 21283)]