86670320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{661}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 221637600

約数和(自身を除く): 134967280

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 149, 176, 220, 298, 440, 596, 661, 745, 880, 1192, 1322, 1490, 1639, 2384, 2644, 2980, 3278, 3305, 5288, 5960, 6556, 6610, 7271, 8195, 10576, 11920, 13112, 13220, 14542, 16390, 26224, 26440, 29084, 32780, 36355, 52880, 58168, 65560, 72710, 98489, 116336, 131120, 145420, 196978, 290840, 393956, 492445, 581680, 787912, 984890, 1083379, 1575824, 1969780, 2166758, 3939560, 4333516, 5416895, 7879120, 8667032, 10833790, 17334064, 21667580, 43335160, 86670320]

約数ペア:

[(1, 86670320), (2, 43335160), (4, 21667580), (5, 17334064), (8, 10833790), (10, 8667032), (11, 7879120), (16, 5416895), (20, 4333516), (22, 3939560), (40, 2166758), (44, 1969780), (55, 1575824), (80, 1083379), (88, 984890), (110, 787912), (149, 581680), (176, 492445), (220, 393956), (298, 290840), (440, 196978), (596, 145420), (661, 131120), (745, 116336), (880, 98489), (1192, 72710), (1322, 65560), (1490, 58168), (1639, 52880), (2384, 36355), (2644, 32780), (2980, 29084), (3278, 26440), (3305, 26224), (5288, 16390), (5960, 14542), (6556, 13220), (6610, 13112), (7271, 11920), (8195, 10576)]