2809520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:222

約数の個数: 80

約数和(自身を含む): 7767360

約数和(自身を除く): 4957840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 173, 203, 232, 280, 290, 346, 406, 464, 560, 580, 692, 812, 865, 1015, 1160, 1211, 1384, 1624, 1730, 2030, 2320, 2422, 2768, 3248, 3460, 4060, 4844, 5017, 6055, 6920, 8120, 9688, 10034, 12110, 13840, 16240, 19376, 20068, 24220, 25085, 35119, 40136, 48440, 50170, 70238, 80272, 96880, 100340, 140476, 175595, 200680, 280952, 351190, 401360, 561904, 702380, 1404760, 2809520]

約数ペア:

[(1, 2809520), (2, 1404760), (4, 702380), (5, 561904), (7, 401360), (8, 351190), (10, 280952), (14, 200680), (16, 175595), (20, 140476), (28, 100340), (29, 96880), (35, 80272), (40, 70238), (56, 50170), (58, 48440), (70, 40136), (80, 35119), (112, 25085), (116, 24220), (140, 20068), (145, 19376), (173, 16240), (203, 13840), (232, 12110), (280, 10034), (290, 9688), (346, 8120), (406, 6920), (464, 6055), (560, 5017), (580, 4844), (692, 4060), (812, 3460), (865, 3248), (1015, 2768), (1160, 2422), (1211, 2320), (1384, 2030), (1624, 1730)]