1323453880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{23993}}^1$

素因数の和:24208

約数の個数: 64

約数和(自身を含む): 3420584640

約数和(自身を除く): 2097130760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 197, 280, 394, 788, 985, 1379, 1576, 1970, 2758, 3940, 5516, 6895, 7880, 11032, 13790, 23993, 27580, 47986, 55160, 95972, 119965, 167951, 191944, 239930, 335902, 479860, 671804, 839755, 959720, 1343608, 1679510, 3359020, 4726621, 6718040, 9453242, 18906484, 23633105, 33086347, 37812968, 47266210, 66172694, 94532420, 132345388, 165431735, 189064840, 264690776, 330863470, 661726940, 1323453880]

約数ペア:

[(1, 1323453880), (2, 661726940), (4, 330863470), (5, 264690776), (7, 189064840), (8, 165431735), (10, 132345388), (14, 94532420), (20, 66172694), (28, 47266210), (35, 37812968), (40, 33086347), (56, 23633105), (70, 18906484), (140, 9453242), (197, 6718040), (280, 4726621), (394, 3359020), (788, 1679510), (985, 1343608), (1379, 959720), (1576, 839755), (1970, 671804), (2758, 479860), (3940, 335902), (5516, 239930), (6895, 191944), (7880, 167951), (11032, 119965), (13790, 95972), (23993, 55160), (27580, 47986)]