2878120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:578

約数の個数: 64

約数和(自身を含む): 7804800

約数和(自身を除く): 4926680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 541, 665, 760, 1064, 1082, 1330, 2164, 2660, 2705, 3787, 4328, 5320, 5410, 7574, 10279, 10820, 15148, 18935, 20558, 21640, 30296, 37870, 41116, 51395, 71953, 75740, 82232, 102790, 143906, 151480, 205580, 287812, 359765, 411160, 575624, 719530, 1439060, 2878120]

約数ペア:

[(1, 2878120), (2, 1439060), (4, 719530), (5, 575624), (7, 411160), (8, 359765), (10, 287812), (14, 205580), (19, 151480), (20, 143906), (28, 102790), (35, 82232), (38, 75740), (40, 71953), (56, 51395), (70, 41116), (76, 37870), (95, 30296), (133, 21640), (140, 20558), (152, 18935), (190, 15148), (266, 10820), (280, 10279), (380, 7574), (532, 5410), (541, 5320), (665, 4328), (760, 3787), (1064, 2705), (1082, 2660), (1330, 2164)]