2830240

素因数分解:

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

素因数の和:67

約数の個数: 108

約数和(自身を含む): 8209026

約数和(自身を除く): 5378786

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 361, 380, 392, 490, 532, 560, 608, 665, 722, 760, 784, 931, 980, 1064, 1120, 1330, 1444, 1520, 1568, 1805, 1862, 1960, 2128, 2527, 2660, 2888, 3040, 3610, 3724, 3920, 4256, 4655, 5054, 5320, 5776, 7220, 7448, 7840, 9310, 10108, 10640, 11552, 12635, 14440, 14896, 17689, 18620, 20216, 21280, 25270, 28880, 29792, 35378, 37240, 40432, 50540, 57760, 70756, 74480, 80864, 88445, 101080, 141512, 148960, 176890, 202160, 283024, 353780, 404320, 566048, 707560, 1415120, 2830240]

約数ペア:

[(1, 2830240), (2, 1415120), (4, 707560), (5, 566048), (7, 404320), (8, 353780), (10, 283024), (14, 202160), (16, 176890), (19, 148960), (20, 141512), (28, 101080), (32, 88445), (35, 80864), (38, 74480), (40, 70756), (49, 57760), (56, 50540), (70, 40432), (76, 37240), (80, 35378), (95, 29792), (98, 28880), (112, 25270), (133, 21280), (140, 20216), (152, 18620), (160, 17689), (190, 14896), (196, 14440), (224, 12635), (245, 11552), (266, 10640), (280, 10108), (304, 9310), (361, 7840), (380, 7448), (392, 7220), (490, 5776), (532, 5320), (560, 5054), (608, 4655), (665, 4256), (722, 3920), (760, 3724), (784, 3610), (931, 3040), (980, 2888), (1064, 2660), (1120, 2527), (1330, 2128), (1444, 1960), (1520, 1862), (1568, 1805)]