120580720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^2$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 319542048

約数和(自身を除く): 198961328

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 71, 80, 92, 104, 115, 130, 142, 184, 208, 230, 260, 284, 299, 355, 368, 460, 520, 568, 598, 710, 920, 923, 1040, 1136, 1196, 1420, 1495, 1633, 1840, 1846, 2392, 2840, 2990, 3266, 3692, 4615, 4784, 5041, 5680, 5980, 6532, 7384, 8165, 9230, 10082, 11960, 13064, 14768, 16330, 18460, 20164, 21229, 23920, 25205, 26128, 32660, 36920, 40328, 42458, 50410, 65320, 65533, 73840, 80656, 84916, 100820, 106145, 115943, 130640, 131066, 169832, 201640, 212290, 231886, 262132, 327665, 339664, 403280, 424580, 463772, 524264, 579715, 655330, 849160, 927544, 1048528, 1159430, 1310660, 1507259, 1698320, 1855088, 2318860, 2621320, 3014518, 4637720, 5242640, 6029036, 7536295, 9275440, 12058072, 15072590, 24116144, 30145180, 60290360, 120580720]

約数ペア:

[(1, 120580720), (2, 60290360), (4, 30145180), (5, 24116144), (8, 15072590), (10, 12058072), (13, 9275440), (16, 7536295), (20, 6029036), (23, 5242640), (26, 4637720), (40, 3014518), (46, 2621320), (52, 2318860), (65, 1855088), (71, 1698320), (80, 1507259), (92, 1310660), (104, 1159430), (115, 1048528), (130, 927544), (142, 849160), (184, 655330), (208, 579715), (230, 524264), (260, 463772), (284, 424580), (299, 403280), (355, 339664), (368, 327665), (460, 262132), (520, 231886), (568, 212290), (598, 201640), (710, 169832), (920, 131066), (923, 130640), (1040, 115943), (1136, 106145), (1196, 100820), (1420, 84916), (1495, 80656), (1633, 73840), (1840, 65533), (1846, 65320), (2392, 50410), (2840, 42458), (2990, 40328), (3266, 36920), (3692, 32660), (4615, 26128), (4784, 25205), (5041, 23920), (5680, 21229), (5980, 20164), (6532, 18460), (7384, 16330), (8165, 14768), (9230, 13064), (10082, 11960)]