80996580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64283}}^1$

素因数の和:64305

約数の個数: 72

約数和(自身を含む): 280792512

約数和(自身を除く): 199795932

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 64283, 128566, 192849, 257132, 321415, 385698, 449981, 578547, 642830, 771396, 899962, 964245, 1157094, 1285660, 1349943, 1799924, 1928490, 2249905, 2314188, 2699886, 2892735, 3856980, 4049829, 4499810, 5399772, 5785470, 6749715, 8099658, 8999620, 11570940, 13499430, 16199316, 20249145, 26998860, 40498290, 80996580]

約数ペア:

[(1, 80996580), (2, 40498290), (3, 26998860), (4, 20249145), (5, 16199316), (6, 13499430), (7, 11570940), (9, 8999620), (10, 8099658), (12, 6749715), (14, 5785470), (15, 5399772), (18, 4499810), (20, 4049829), (21, 3856980), (28, 2892735), (30, 2699886), (35, 2314188), (36, 2249905), (42, 1928490), (45, 1799924), (60, 1349943), (63, 1285660), (70, 1157094), (84, 964245), (90, 899962), (105, 771396), (126, 642830), (140, 578547), (180, 449981), (210, 385698), (252, 321415), (315, 257132), (420, 192849), (630, 128566), (1260, 64283)]