12796960

素因数分解:

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

素因数の和:698

約数の個数: 72

約数和(自身を含む): 33281388

約数和(自身を除く): 20484428

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 661, 880, 968, 1210, 1322, 1760, 1936, 2420, 2644, 3305, 3872, 4840, 5288, 6610, 7271, 9680, 10576, 13220, 14542, 19360, 21152, 26440, 29084, 36355, 52880, 58168, 72710, 79981, 105760, 116336, 145420, 159962, 232672, 290840, 319924, 399905, 581680, 639848, 799810, 1163360, 1279696, 1599620, 2559392, 3199240, 6398480, 12796960]

約数ペア:

[(1, 12796960), (2, 6398480), (4, 3199240), (5, 2559392), (8, 1599620), (10, 1279696), (11, 1163360), (16, 799810), (20, 639848), (22, 581680), (32, 399905), (40, 319924), (44, 290840), (55, 232672), (80, 159962), (88, 145420), (110, 116336), (121, 105760), (160, 79981), (176, 72710), (220, 58168), (242, 52880), (352, 36355), (440, 29084), (484, 26440), (605, 21152), (661, 19360), (880, 14542), (968, 13220), (1210, 10576), (1322, 9680), (1760, 7271), (1936, 6610), (2420, 5288), (2644, 4840), (3305, 3872)]