61012840

素因数分解:

$2^3\times 5^1\times 7^3\times {\mathrm{4447}}^1$

素因数の和:4479

約数の個数: 64

約数和(自身を含む): 160128000

約数和(自身を除く): 99115160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 343, 392, 490, 686, 980, 1372, 1715, 1960, 2744, 3430, 4447, 6860, 8894, 13720, 17788, 22235, 31129, 35576, 44470, 62258, 88940, 124516, 155645, 177880, 217903, 249032, 311290, 435806, 622580, 871612, 1089515, 1245160, 1525321, 1743224, 2179030, 3050642, 4358060, 6101284, 7626605, 8716120, 12202568, 15253210, 30506420, 61012840]

約数ペア:

[(1, 61012840), (2, 30506420), (4, 15253210), (5, 12202568), (7, 8716120), (8, 7626605), (10, 6101284), (14, 4358060), (20, 3050642), (28, 2179030), (35, 1743224), (40, 1525321), (49, 1245160), (56, 1089515), (70, 871612), (98, 622580), (140, 435806), (196, 311290), (245, 249032), (280, 217903), (343, 177880), (392, 155645), (490, 124516), (686, 88940), (980, 62258), (1372, 44470), (1715, 35576), (1960, 31129), (2744, 22235), (3430, 17788), (4447, 13720), (6860, 8894)]