66908240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{733}}^1$

素因数の和:916

約数の個数: 80

約数和(自身を含む): 179119488

約数和(自身を除く): 112211248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 733, 815, 1141, 1304, 1466, 1630, 2282, 2608, 2932, 3260, 3665, 4564, 5131, 5705, 5864, 6520, 7330, 9128, 10262, 11410, 11728, 13040, 14660, 18256, 20524, 22820, 25655, 29320, 41048, 45640, 51310, 58640, 82096, 91280, 102620, 119479, 205240, 238958, 410480, 477916, 597395, 836353, 955832, 1194790, 1672706, 1911664, 2389580, 3345412, 4181765, 4779160, 6690824, 8363530, 9558320, 13381648, 16727060, 33454120, 66908240]

約数ペア:

[(1, 66908240), (2, 33454120), (4, 16727060), (5, 13381648), (7, 9558320), (8, 8363530), (10, 6690824), (14, 4779160), (16, 4181765), (20, 3345412), (28, 2389580), (35, 1911664), (40, 1672706), (56, 1194790), (70, 955832), (80, 836353), (112, 597395), (140, 477916), (163, 410480), (280, 238958), (326, 205240), (560, 119479), (652, 102620), (733, 91280), (815, 82096), (1141, 58640), (1304, 51310), (1466, 45640), (1630, 41048), (2282, 29320), (2608, 25655), (2932, 22820), (3260, 20524), (3665, 18256), (4564, 14660), (5131, 13040), (5705, 11728), (5864, 11410), (6520, 10262), (7330, 9128)]