15721522720

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1\times {\mathrm{2273}}^1$

素因数の和:2738

約数の個数: 96

約数和(自身を含む): 37546104960

約数和(自身を除く): 21824582240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 311, 556, 622, 695, 1112, 1244, 1390, 1555, 2224, 2273, 2488, 2780, 3110, 4448, 4546, 4976, 5560, 6220, 9092, 9952, 11120, 11365, 12440, 18184, 22240, 22730, 24880, 36368, 43229, 45460, 49760, 72736, 86458, 90920, 172916, 181840, 216145, 315947, 345832, 363680, 432290, 631894, 691664, 706903, 864580, 1263788, 1383328, 1413806, 1579735, 1729160, 2527576, 2827612, 3159470, 3458320, 3534515, 5055152, 5655224, 6318940, 6916640, 7069030, 10110304, 11310448, 12637880, 14138060, 22620896, 25275760, 28276120, 50551520, 56552240, 98259517, 113104480, 196519034, 393038068, 491297585, 786076136, 982595170, 1572152272, 1965190340, 3144304544, 3930380680, 7860761360, 15721522720]

約数ペア:

[(1, 15721522720), (2, 7860761360), (4, 3930380680), (5, 3144304544), (8, 1965190340), (10, 1572152272), (16, 982595170), (20, 786076136), (32, 491297585), (40, 393038068), (80, 196519034), (139, 113104480), (160, 98259517), (278, 56552240), (311, 50551520), (556, 28276120), (622, 25275760), (695, 22620896), (1112, 14138060), (1244, 12637880), (1390, 11310448), (1555, 10110304), (2224, 7069030), (2273, 6916640), (2488, 6318940), (2780, 5655224), (3110, 5055152), (4448, 3534515), (4546, 3458320), (4976, 3159470), (5560, 2827612), (6220, 2527576), (9092, 1729160), (9952, 1579735), (11120, 1413806), (11365, 1383328), (12440, 1263788), (18184, 864580), (22240, 706903), (22730, 691664), (24880, 631894), (36368, 432290), (43229, 363680), (45460, 345832), (49760, 315947), (72736, 216145), (86458, 181840), (90920, 172916)]