1617997040

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{6991}}^1$

素因数の和:7278

約数の個数: 80

約数和(自身を含む): 4120022016

約数和(自身を除く): 2502024976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 263, 440, 526, 880, 1052, 1315, 2104, 2630, 2893, 4208, 5260, 5786, 6991, 10520, 11572, 13982, 14465, 21040, 23144, 27964, 28930, 34955, 46288, 55928, 57860, 69910, 76901, 111856, 115720, 139820, 153802, 231440, 279640, 307604, 384505, 559280, 615208, 769010, 1230416, 1538020, 1838633, 3076040, 3677266, 6152080, 7354532, 9193165, 14709064, 18386330, 20224963, 29418128, 36772660, 40449926, 73545320, 80899852, 101124815, 147090640, 161799704, 202249630, 323599408, 404499260, 808998520, 1617997040]

約数ペア:

[(1, 1617997040), (2, 808998520), (4, 404499260), (5, 323599408), (8, 202249630), (10, 161799704), (11, 147090640), (16, 101124815), (20, 80899852), (22, 73545320), (40, 40449926), (44, 36772660), (55, 29418128), (80, 20224963), (88, 18386330), (110, 14709064), (176, 9193165), (220, 7354532), (263, 6152080), (440, 3677266), (526, 3076040), (880, 1838633), (1052, 1538020), (1315, 1230416), (2104, 769010), (2630, 615208), (2893, 559280), (4208, 384505), (5260, 307604), (5786, 279640), (6991, 231440), (10520, 153802), (11572, 139820), (13982, 115720), (14465, 111856), (21040, 76901), (23144, 69910), (27964, 57860), (28930, 55928), (34955, 46288)]