15223280

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:226

約数の個数: 60

約数和(自身を含む): 36638280

約数和(自身を除く): 21415000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 139, 148, 185, 278, 296, 370, 556, 592, 695, 740, 1112, 1369, 1390, 1480, 2224, 2738, 2780, 2960, 5143, 5476, 5560, 6845, 10286, 10952, 11120, 13690, 20572, 21904, 25715, 27380, 41144, 51430, 54760, 82288, 102860, 109520, 190291, 205720, 380582, 411440, 761164, 951455, 1522328, 1902910, 3044656, 3805820, 7611640, 15223280]

約数ペア:

[(1, 15223280), (2, 7611640), (4, 3805820), (5, 3044656), (8, 1902910), (10, 1522328), (16, 951455), (20, 761164), (37, 411440), (40, 380582), (74, 205720), (80, 190291), (139, 109520), (148, 102860), (185, 82288), (278, 54760), (296, 51430), (370, 41144), (556, 27380), (592, 25715), (695, 21904), (740, 20572), (1112, 13690), (1369, 11120), (1390, 10952), (1480, 10286), (2224, 6845), (2738, 5560), (2780, 5476), (2960, 5143)]