31566420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{1117}}^1$

素因数の和:1289

約数の個数: 72

約数和(自身を含む): 96447624

約数和(自身を除く): 64881204

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 157, 180, 314, 471, 628, 785, 942, 1117, 1413, 1570, 1884, 2234, 2355, 2826, 3140, 3351, 4468, 4710, 5585, 5652, 6702, 7065, 9420, 10053, 11170, 13404, 14130, 16755, 20106, 22340, 28260, 33510, 40212, 50265, 67020, 100530, 175369, 201060, 350738, 526107, 701476, 876845, 1052214, 1578321, 1753690, 2104428, 2630535, 3156642, 3507380, 5261070, 6313284, 7891605, 10522140, 15783210, 31566420]

約数ペア:

[(1, 31566420), (2, 15783210), (3, 10522140), (4, 7891605), (5, 6313284), (6, 5261070), (9, 3507380), (10, 3156642), (12, 2630535), (15, 2104428), (18, 1753690), (20, 1578321), (30, 1052214), (36, 876845), (45, 701476), (60, 526107), (90, 350738), (157, 201060), (180, 175369), (314, 100530), (471, 67020), (628, 50265), (785, 40212), (942, 33510), (1117, 28260), (1413, 22340), (1570, 20106), (1884, 16755), (2234, 14130), (2355, 13404), (2826, 11170), (3140, 10053), (3351, 9420), (4468, 7065), (4710, 6702), (5585, 5652)]