28134420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{7687}}^1$

素因数の和:7760

約数の個数: 48

約数和(自身を含む): 80078208

約数和(自身を除く): 51943788

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 61, 122, 183, 244, 305, 366, 610, 732, 915, 1220, 1830, 3660, 7687, 15374, 23061, 30748, 38435, 46122, 76870, 92244, 115305, 153740, 230610, 461220, 468907, 937814, 1406721, 1875628, 2344535, 2813442, 4689070, 5626884, 7033605, 9378140, 14067210, 28134420]

約数ペア:

[(1, 28134420), (2, 14067210), (3, 9378140), (4, 7033605), (5, 5626884), (6, 4689070), (10, 2813442), (12, 2344535), (15, 1875628), (20, 1406721), (30, 937814), (60, 468907), (61, 461220), (122, 230610), (183, 153740), (244, 115305), (305, 92244), (366, 76870), (610, 46122), (732, 38435), (915, 30748), (1220, 23061), (1830, 15374), (3660, 7687)]