61180740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{757}}^1$

素因数の和:1221

約数の個数: 72

約数和(自身を含む): 186240600

約数和(自身を除く): 125059860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 449, 757, 898, 1347, 1514, 1796, 2245, 2271, 2694, 3028, 3785, 4041, 4490, 4542, 5388, 6735, 6813, 7570, 8082, 8980, 9084, 11355, 13470, 13626, 15140, 16164, 20205, 22710, 26940, 27252, 34065, 40410, 45420, 68130, 80820, 136260, 339893, 679786, 1019679, 1359572, 1699465, 2039358, 3059037, 3398930, 4078716, 5098395, 6118074, 6797860, 10196790, 12236148, 15295185, 20393580, 30590370, 61180740]

約数ペア:

[(1, 61180740), (2, 30590370), (3, 20393580), (4, 15295185), (5, 12236148), (6, 10196790), (9, 6797860), (10, 6118074), (12, 5098395), (15, 4078716), (18, 3398930), (20, 3059037), (30, 2039358), (36, 1699465), (45, 1359572), (60, 1019679), (90, 679786), (180, 339893), (449, 136260), (757, 80820), (898, 68130), (1347, 45420), (1514, 40410), (1796, 34065), (2245, 27252), (2271, 26940), (2694, 22710), (3028, 20205), (3785, 16164), (4041, 15140), (4490, 13626), (4542, 13470), (5388, 11355), (6735, 9084), (6813, 8980), (7570, 8082)]