12748667340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{321449}}^1$

素因数の和:322122

約数の個数: 48

約数和(自身を含む): 35750383200

約数和(自身を除く): 23001715860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 661, 1322, 1983, 2644, 3305, 3966, 6610, 7932, 9915, 13220, 19830, 39660, 321449, 642898, 964347, 1285796, 1607245, 1928694, 3214490, 3857388, 4821735, 6428980, 9643470, 19286940, 212477789, 424955578, 637433367, 849911156, 1062388945, 1274866734, 2124777890, 2549733468, 3187166835, 4249555780, 6374333670, 12748667340]

約数ペア:

[(1, 12748667340), (2, 6374333670), (3, 4249555780), (4, 3187166835), (5, 2549733468), (6, 2124777890), (10, 1274866734), (12, 1062388945), (15, 849911156), (20, 637433367), (30, 424955578), (60, 212477789), (661, 19286940), (1322, 9643470), (1983, 6428980), (2644, 4821735), (3305, 3857388), (3966, 3214490), (6610, 1928694), (7932, 1607245), (9915, 1285796), (13220, 964347), (19830, 642898), (39660, 321449)]