77919160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{947}}^1$

素因数の和:997

約数の個数: 96

約数和(自身を含む): 204256080

約数和(自身を除く): 126336920

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 34, 40, 44, 55, 68, 85, 88, 110, 121, 136, 170, 187, 220, 242, 340, 374, 440, 484, 605, 680, 748, 935, 947, 968, 1210, 1496, 1870, 1894, 2057, 2420, 3740, 3788, 4114, 4735, 4840, 7480, 7576, 8228, 9470, 10285, 10417, 16099, 16456, 18940, 20570, 20834, 32198, 37880, 41140, 41668, 52085, 64396, 80495, 82280, 83336, 104170, 114587, 128792, 160990, 177089, 208340, 229174, 321980, 354178, 416680, 458348, 572935, 643960, 708356, 885445, 916696, 1145870, 1416712, 1770890, 1947979, 2291740, 3541780, 3895958, 4583480, 7083560, 7791916, 9739895, 15583832, 19479790, 38959580, 77919160]

約数ペア:

[(1, 77919160), (2, 38959580), (4, 19479790), (5, 15583832), (8, 9739895), (10, 7791916), (11, 7083560), (17, 4583480), (20, 3895958), (22, 3541780), (34, 2291740), (40, 1947979), (44, 1770890), (55, 1416712), (68, 1145870), (85, 916696), (88, 885445), (110, 708356), (121, 643960), (136, 572935), (170, 458348), (187, 416680), (220, 354178), (242, 321980), (340, 229174), (374, 208340), (440, 177089), (484, 160990), (605, 128792), (680, 114587), (748, 104170), (935, 83336), (947, 82280), (968, 80495), (1210, 64396), (1496, 52085), (1870, 41668), (1894, 41140), (2057, 37880), (2420, 32198), (3740, 20834), (3788, 20570), (4114, 18940), (4735, 16456), (4840, 16099), (7480, 10417), (7576, 10285), (8228, 9470)]