123887680

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{7901}}^1$

素因数の和:7932

約数の個数: 84

約数和(自身を含む): 343215468

約数和(自身を除く): 219327788

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 7840, 7901, 15680, 15802, 31604, 39505, 55307, 63208, 79010, 110614, 126416, 158020, 221228, 252832, 276535, 316040, 387149, 442456, 505664, 553070, 632080, 774298, 884912, 1106140, 1264160, 1548596, 1769824, 1935745, 2212280, 2528320, 3097192, 3539648, 3871490, 4424560, 6194384, 7742980, 8849120, 12388768, 15485960, 17698240, 24777536, 30971920, 61943840, 123887680]

約数ペア:

[(1, 123887680), (2, 61943840), (4, 30971920), (5, 24777536), (7, 17698240), (8, 15485960), (10, 12388768), (14, 8849120), (16, 7742980), (20, 6194384), (28, 4424560), (32, 3871490), (35, 3539648), (40, 3097192), (49, 2528320), (56, 2212280), (64, 1935745), (70, 1769824), (80, 1548596), (98, 1264160), (112, 1106140), (140, 884912), (160, 774298), (196, 632080), (224, 553070), (245, 505664), (280, 442456), (320, 387149), (392, 316040), (448, 276535), (490, 252832), (560, 221228), (784, 158020), (980, 126416), (1120, 110614), (1568, 79010), (1960, 63208), (2240, 55307), (3136, 39505), (3920, 31604), (7840, 15802), (7901, 15680)]