12895980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{157}}^1$

素因数の和:243

約数の個数: 72

約数和(自身を含む): 37347408

約数和(自身を除く): 24451428

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 157, 185, 222, 314, 370, 444, 471, 555, 628, 740, 785, 942, 1110, 1369, 1570, 1884, 2220, 2355, 2738, 3140, 4107, 4710, 5476, 5809, 6845, 8214, 9420, 11618, 13690, 16428, 17427, 20535, 23236, 27380, 29045, 34854, 41070, 58090, 69708, 82140, 87135, 116180, 174270, 214933, 348540, 429866, 644799, 859732, 1074665, 1289598, 2149330, 2579196, 3223995, 4298660, 6447990, 12895980]

約数ペア:

[(1, 12895980), (2, 6447990), (3, 4298660), (4, 3223995), (5, 2579196), (6, 2149330), (10, 1289598), (12, 1074665), (15, 859732), (20, 644799), (30, 429866), (37, 348540), (60, 214933), (74, 174270), (111, 116180), (148, 87135), (157, 82140), (185, 69708), (222, 58090), (314, 41070), (370, 34854), (444, 29045), (471, 27380), (555, 23236), (628, 20535), (740, 17427), (785, 16428), (942, 13690), (1110, 11618), (1369, 9420), (1570, 8214), (1884, 6845), (2220, 5809), (2355, 5476), (2738, 4710), (3140, 4107)]