81944170

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:716

約数の個数: 96

約数和(自身を含む): 195613056

約数和(自身を除く): 113668886

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 49, 55, 70, 77, 98, 110, 115, 154, 161, 230, 245, 253, 322, 385, 490, 506, 539, 661, 770, 805, 1078, 1127, 1265, 1322, 1610, 1771, 2254, 2530, 2695, 3305, 3542, 4627, 5390, 5635, 6610, 7271, 8855, 9254, 11270, 12397, 14542, 15203, 17710, 23135, 24794, 30406, 32389, 36355, 46270, 50897, 61985, 64778, 72710, 76015, 101794, 106421, 123970, 152030, 161945, 167233, 212842, 254485, 323890, 334466, 356279, 508970, 532105, 712558, 744947, 836165, 1064210, 1170631, 1489894, 1672330, 1781395, 2341262, 3562790, 3724735, 5853155, 7449470, 8194417, 11706310, 16388834, 40972085, 81944170]

約数ペア:

[(1, 81944170), (2, 40972085), (5, 16388834), (7, 11706310), (10, 8194417), (11, 7449470), (14, 5853155), (22, 3724735), (23, 3562790), (35, 2341262), (46, 1781395), (49, 1672330), (55, 1489894), (70, 1170631), (77, 1064210), (98, 836165), (110, 744947), (115, 712558), (154, 532105), (161, 508970), (230, 356279), (245, 334466), (253, 323890), (322, 254485), (385, 212842), (490, 167233), (506, 161945), (539, 152030), (661, 123970), (770, 106421), (805, 101794), (1078, 76015), (1127, 72710), (1265, 64778), (1322, 61985), (1610, 50897), (1771, 46270), (2254, 36355), (2530, 32389), (2695, 30406), (3305, 24794), (3542, 23135), (4627, 17710), (5390, 15203), (5635, 14542), (6610, 12397), (7271, 11270), (8855, 9254)]