161707040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{661}}^1$

素因数の和:826

約数の個数: 96

約数和(自身を含む): 420396480

約数和(自身を除く): 258689440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 139, 160, 176, 220, 278, 352, 440, 556, 661, 695, 880, 1112, 1322, 1390, 1529, 1760, 2224, 2644, 2780, 3058, 3305, 4448, 5288, 5560, 6116, 6610, 7271, 7645, 10576, 11120, 12232, 13220, 14542, 15290, 21152, 22240, 24464, 26440, 29084, 30580, 36355, 48928, 52880, 58168, 61160, 72710, 91879, 105760, 116336, 122320, 145420, 183758, 232672, 244640, 290840, 367516, 459395, 581680, 735032, 918790, 1010669, 1163360, 1470064, 1837580, 2021338, 2940128, 3675160, 4042676, 5053345, 7350320, 8085352, 10106690, 14700640, 16170704, 20213380, 32341408, 40426760, 80853520, 161707040]

約数ペア:

[(1, 161707040), (2, 80853520), (4, 40426760), (5, 32341408), (8, 20213380), (10, 16170704), (11, 14700640), (16, 10106690), (20, 8085352), (22, 7350320), (32, 5053345), (40, 4042676), (44, 3675160), (55, 2940128), (80, 2021338), (88, 1837580), (110, 1470064), (139, 1163360), (160, 1010669), (176, 918790), (220, 735032), (278, 581680), (352, 459395), (440, 367516), (556, 290840), (661, 244640), (695, 232672), (880, 183758), (1112, 145420), (1322, 122320), (1390, 116336), (1529, 105760), (1760, 91879), (2224, 72710), (2644, 61160), (2780, 58168), (3058, 52880), (3305, 48928), (4448, 36355), (5288, 30580), (5560, 29084), (6116, 26440), (6610, 24464), (7271, 22240), (7645, 21152), (10576, 15290), (11120, 14542), (12232, 13220)]