80494920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{20327}}^1$

素因数の和:20355

約数の個数: 96

約数和(自身を含む): 285405120

約数和(自身を除く): 204910200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 20327, 40654, 60981, 81308, 101635, 121962, 162616, 182943, 203270, 223597, 243924, 304905, 365886, 406540, 447194, 487848, 609810, 670791, 731772, 813080, 894388, 914715, 1117985, 1219620, 1341582, 1463544, 1788776, 1829430, 2012373, 2235970, 2439240, 2683164, 3353955, 3658860, 4024746, 4471940, 5366328, 6707910, 7317720, 8049492, 8943880, 10061865, 13415820, 16098984, 20123730, 26831640, 40247460, 80494920]

約数ペア:

[(1, 80494920), (2, 40247460), (3, 26831640), (4, 20123730), (5, 16098984), (6, 13415820), (8, 10061865), (9, 8943880), (10, 8049492), (11, 7317720), (12, 6707910), (15, 5366328), (18, 4471940), (20, 4024746), (22, 3658860), (24, 3353955), (30, 2683164), (33, 2439240), (36, 2235970), (40, 2012373), (44, 1829430), (45, 1788776), (55, 1463544), (60, 1341582), (66, 1219620), (72, 1117985), (88, 914715), (90, 894388), (99, 813080), (110, 731772), (120, 670791), (132, 609810), (165, 487848), (180, 447194), (198, 406540), (220, 365886), (264, 304905), (330, 243924), (360, 223597), (396, 203270), (440, 182943), (495, 162616), (660, 121962), (792, 101635), (990, 81308), (1320, 60981), (1980, 40654), (3960, 20327)]