15118240

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1549}}^1$

素因数の和:1625

約数の個数: 48

約数和(自身を含む): 36325800

約数和(自身を除く): 21207560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1549, 1952, 2440, 3098, 4880, 6196, 7745, 9760, 12392, 15490, 24784, 30980, 49568, 61960, 94489, 123920, 188978, 247840, 377956, 472445, 755912, 944890, 1511824, 1889780, 3023648, 3779560, 7559120, 15118240]

約数ペア:

[(1, 15118240), (2, 7559120), (4, 3779560), (5, 3023648), (8, 1889780), (10, 1511824), (16, 944890), (20, 755912), (32, 472445), (40, 377956), (61, 247840), (80, 188978), (122, 123920), (160, 94489), (244, 61960), (305, 49568), (488, 30980), (610, 24784), (976, 15490), (1220, 12392), (1549, 9760), (1952, 7745), (2440, 6196), (3098, 4880)]