131662520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^3\times {\mathrm{2473}}^1$

素因数の和:2517

約数の個数: 64

約数和(自身を含む): 325974240

約数和(自身を除く): 194311720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 1331, 2420, 2473, 2662, 4840, 4946, 5324, 6655, 9892, 10648, 12365, 13310, 19784, 24730, 26620, 27203, 49460, 53240, 54406, 98920, 108812, 136015, 217624, 272030, 299233, 544060, 598466, 1088120, 1196932, 1496165, 2393864, 2992330, 3291563, 5984660, 6583126, 11969320, 13166252, 16457815, 26332504, 32915630, 65831260, 131662520]

約数ペア:

[(1, 131662520), (2, 65831260), (4, 32915630), (5, 26332504), (8, 16457815), (10, 13166252), (11, 11969320), (20, 6583126), (22, 5984660), (40, 3291563), (44, 2992330), (55, 2393864), (88, 1496165), (110, 1196932), (121, 1088120), (220, 598466), (242, 544060), (440, 299233), (484, 272030), (605, 217624), (968, 136015), (1210, 108812), (1331, 98920), (2420, 54406), (2473, 53240), (2662, 49460), (4840, 27203), (4946, 26620), (5324, 24730), (6655, 19784), (9892, 13310), (10648, 12365)]