7727460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9907}}^1$

素因数の和:9932

約数の個数: 48

約数和(自身を含む): 23303616

約数和(自身を除く): 15576156

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 9907, 19814, 29721, 39628, 49535, 59442, 99070, 118884, 128791, 148605, 198140, 257582, 297210, 386373, 515164, 594420, 643955, 772746, 1287910, 1545492, 1931865, 2575820, 3863730, 7727460]

約数ペア:

[(1, 7727460), (2, 3863730), (3, 2575820), (4, 1931865), (5, 1545492), (6, 1287910), (10, 772746), (12, 643955), (13, 594420), (15, 515164), (20, 386373), (26, 297210), (30, 257582), (39, 198140), (52, 148605), (60, 128791), (65, 118884), (78, 99070), (130, 59442), (156, 49535), (195, 39628), (260, 29721), (390, 19814), (780, 9907)]