18697680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{25969}}^1$

素因数の和:25988

約数の個数: 60

約数和(自身を含む): 62795460

約数和(自身を除く): 44097780

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 360, 720, 25969, 51938, 77907, 103876, 129845, 155814, 207752, 233721, 259690, 311628, 389535, 415504, 467442, 519380, 623256, 779070, 934884, 1038760, 1168605, 1246512, 1558140, 1869768, 2077520, 2337210, 3116280, 3739536, 4674420, 6232560, 9348840, 18697680]

約数ペア:

[(1, 18697680), (2, 9348840), (3, 6232560), (4, 4674420), (5, 3739536), (6, 3116280), (8, 2337210), (9, 2077520), (10, 1869768), (12, 1558140), (15, 1246512), (16, 1168605), (18, 1038760), (20, 934884), (24, 779070), (30, 623256), (36, 519380), (40, 467442), (45, 415504), (48, 389535), (60, 311628), (72, 259690), (80, 233721), (90, 207752), (120, 155814), (144, 129845), (180, 103876), (240, 77907), (360, 51938), (720, 25969)]