1840720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 5178240

約数和(自身を除く): 3337520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 173, 190, 266, 280, 304, 346, 380, 532, 560, 665, 692, 760, 865, 1064, 1211, 1330, 1384, 1520, 1730, 2128, 2422, 2660, 2768, 3287, 3460, 4844, 5320, 6055, 6574, 6920, 9688, 10640, 12110, 13148, 13840, 16435, 19376, 23009, 24220, 26296, 32870, 46018, 48440, 52592, 65740, 92036, 96880, 115045, 131480, 184072, 230090, 262960, 368144, 460180, 920360, 1840720]

約数ペア:

[(1, 1840720), (2, 920360), (4, 460180), (5, 368144), (7, 262960), (8, 230090), (10, 184072), (14, 131480), (16, 115045), (19, 96880), (20, 92036), (28, 65740), (35, 52592), (38, 48440), (40, 46018), (56, 32870), (70, 26296), (76, 24220), (80, 23009), (95, 19376), (112, 16435), (133, 13840), (140, 13148), (152, 12110), (173, 10640), (190, 9688), (266, 6920), (280, 6574), (304, 6055), (346, 5320), (380, 4844), (532, 3460), (560, 3287), (665, 2768), (692, 2660), (760, 2422), (865, 2128), (1064, 1730), (1211, 1520), (1330, 1384)]