81181760

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23063}}^1$

素因数の和:23091

約数の個数: 56

約数和(自身を含む): 210897216

約数和(自身を除く): 129715456

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 23063, 46126, 92252, 115315, 184504, 230630, 253693, 369008, 461260, 507386, 738016, 922520, 1014772, 1268465, 1476032, 1845040, 2029544, 2536930, 3690080, 4059088, 5073860, 7380160, 8118176, 10147720, 16236352, 20295440, 40590880, 81181760]

約数ペア:

[(1, 81181760), (2, 40590880), (4, 20295440), (5, 16236352), (8, 10147720), (10, 8118176), (11, 7380160), (16, 5073860), (20, 4059088), (22, 3690080), (32, 2536930), (40, 2029544), (44, 1845040), (55, 1476032), (64, 1268465), (80, 1014772), (88, 922520), (110, 738016), (160, 507386), (176, 461260), (220, 369008), (320, 253693), (352, 230630), (440, 184504), (704, 115315), (880, 92252), (1760, 46126), (3520, 23063)]