2957920

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1$

素因数の和:180

約数の個数: 96

約数和(自身を含む): 8467200

約数和(自身を除く): 5509280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 139, 140, 152, 160, 190, 224, 266, 278, 280, 304, 380, 532, 556, 560, 608, 665, 695, 760, 973, 1064, 1112, 1120, 1330, 1390, 1520, 1946, 2128, 2224, 2641, 2660, 2780, 3040, 3892, 4256, 4448, 4865, 5282, 5320, 5560, 7784, 9730, 10564, 10640, 11120, 13205, 15568, 18487, 19460, 21128, 21280, 22240, 26410, 31136, 36974, 38920, 42256, 52820, 73948, 77840, 84512, 92435, 105640, 147896, 155680, 184870, 211280, 295792, 369740, 422560, 591584, 739480, 1478960, 2957920]

約数ペア:

[(1, 2957920), (2, 1478960), (4, 739480), (5, 591584), (7, 422560), (8, 369740), (10, 295792), (14, 211280), (16, 184870), (19, 155680), (20, 147896), (28, 105640), (32, 92435), (35, 84512), (38, 77840), (40, 73948), (56, 52820), (70, 42256), (76, 38920), (80, 36974), (95, 31136), (112, 26410), (133, 22240), (139, 21280), (140, 21128), (152, 19460), (160, 18487), (190, 15568), (224, 13205), (266, 11120), (278, 10640), (280, 10564), (304, 9730), (380, 7784), (532, 5560), (556, 5320), (560, 5282), (608, 4865), (665, 4448), (695, 4256), (760, 3892), (973, 3040), (1064, 2780), (1112, 2660), (1120, 2641), (1330, 2224), (1390, 2128), (1520, 1946)]