81306390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{6659}}^1$

素因数の和:6717

約数の個数: 64

約数和(自身を含む): 218661120

約数和(自身を除く): 137354730

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 37, 55, 66, 74, 110, 111, 165, 185, 222, 330, 370, 407, 555, 814, 1110, 1221, 2035, 2442, 4070, 6105, 6659, 12210, 13318, 19977, 33295, 39954, 66590, 73249, 99885, 146498, 199770, 219747, 246383, 366245, 439494, 492766, 732490, 739149, 1098735, 1231915, 1478298, 2197470, 2463830, 2710213, 3695745, 5420426, 7391490, 8130639, 13551065, 16261278, 27102130, 40653195, 81306390]

約数ペア:

[(1, 81306390), (2, 40653195), (3, 27102130), (5, 16261278), (6, 13551065), (10, 8130639), (11, 7391490), (15, 5420426), (22, 3695745), (30, 2710213), (33, 2463830), (37, 2197470), (55, 1478298), (66, 1231915), (74, 1098735), (110, 739149), (111, 732490), (165, 492766), (185, 439494), (222, 366245), (330, 246383), (370, 219747), (407, 199770), (555, 146498), (814, 99885), (1110, 73249), (1221, 66590), (2035, 39954), (2442, 33295), (4070, 19977), (6105, 13318), (6659, 12210)]