21724637520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{136943}}^1$

素因数の和:137620

約数の個数: 80

約数和(自身を含む): 67448754432

約数和(自身を除く): 45724116912

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 661, 1322, 1983, 2644, 3305, 3966, 5288, 6610, 7932, 9915, 10576, 13220, 15864, 19830, 26440, 31728, 39660, 52880, 79320, 136943, 158640, 273886, 410829, 547772, 684715, 821658, 1095544, 1369430, 1643316, 2054145, 2191088, 2738860, 3286632, 4108290, 5477720, 6573264, 8216580, 10955440, 16433160, 32866320, 90519323, 181038646, 271557969, 362077292, 452596615, 543115938, 724154584, 905193230, 1086231876, 1357789845, 1448309168, 1810386460, 2172463752, 2715579690, 3620772920, 4344927504, 5431159380, 7241545840, 10862318760, 21724637520]

約数ペア:

[(1, 21724637520), (2, 10862318760), (3, 7241545840), (4, 5431159380), (5, 4344927504), (6, 3620772920), (8, 2715579690), (10, 2172463752), (12, 1810386460), (15, 1448309168), (16, 1357789845), (20, 1086231876), (24, 905193230), (30, 724154584), (40, 543115938), (48, 452596615), (60, 362077292), (80, 271557969), (120, 181038646), (240, 90519323), (661, 32866320), (1322, 16433160), (1983, 10955440), (2644, 8216580), (3305, 6573264), (3966, 5477720), (5288, 4108290), (6610, 3286632), (7932, 2738860), (9915, 2191088), (10576, 2054145), (13220, 1643316), (15864, 1369430), (19830, 1095544), (26440, 821658), (31728, 684715), (39660, 547772), (52880, 410829), (79320, 273886), (136943, 158640)]