2080120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 128

約数和(自身を含む): 6220800

約数和(自身を除く): 4140680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 23, 28, 34, 35, 38, 40, 46, 56, 68, 70, 76, 85, 92, 95, 115, 119, 133, 136, 140, 152, 161, 170, 184, 190, 230, 238, 266, 280, 322, 323, 340, 380, 391, 437, 460, 476, 532, 595, 644, 646, 665, 680, 760, 782, 805, 874, 920, 952, 1064, 1190, 1288, 1292, 1330, 1564, 1610, 1615, 1748, 1955, 2185, 2261, 2380, 2584, 2660, 2737, 3059, 3128, 3220, 3230, 3496, 3910, 4370, 4522, 4760, 5320, 5474, 6118, 6440, 6460, 7429, 7820, 8740, 9044, 10948, 11305, 12236, 12920, 13685, 14858, 15295, 15640, 17480, 18088, 21896, 22610, 24472, 27370, 29716, 30590, 37145, 45220, 52003, 54740, 59432, 61180, 74290, 90440, 104006, 109480, 122360, 148580, 208012, 260015, 297160, 416024, 520030, 1040060, 2080120]

約数ペア:

[(1, 2080120), (2, 1040060), (4, 520030), (5, 416024), (7, 297160), (8, 260015), (10, 208012), (14, 148580), (17, 122360), (19, 109480), (20, 104006), (23, 90440), (28, 74290), (34, 61180), (35, 59432), (38, 54740), (40, 52003), (46, 45220), (56, 37145), (68, 30590), (70, 29716), (76, 27370), (85, 24472), (92, 22610), (95, 21896), (115, 18088), (119, 17480), (133, 15640), (136, 15295), (140, 14858), (152, 13685), (161, 12920), (170, 12236), (184, 11305), (190, 10948), (230, 9044), (238, 8740), (266, 7820), (280, 7429), (322, 6460), (323, 6440), (340, 6118), (380, 5474), (391, 5320), (437, 4760), (460, 4522), (476, 4370), (532, 3910), (595, 3496), (644, 3230), (646, 3220), (665, 3128), (680, 3059), (760, 2737), (782, 2660), (805, 2584), (874, 2380), (920, 2261), (952, 2185), (1064, 1955), (1190, 1748), (1288, 1615), (1292, 1610), (1330, 1564)]