68421360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:455

約数の個数: 160

約数和(自身を含む): 244984320

約数和(自身を除く): 176562960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 139, 140, 168, 210, 240, 278, 280, 293, 336, 417, 420, 556, 560, 586, 695, 834, 840, 879, 973, 1112, 1172, 1390, 1465, 1668, 1680, 1758, 1946, 2051, 2085, 2224, 2344, 2780, 2919, 2930, 3336, 3516, 3892, 4102, 4170, 4395, 4688, 4865, 5560, 5838, 5860, 6153, 6672, 7032, 7784, 8204, 8340, 8790, 9730, 10255, 11120, 11676, 11720, 12306, 14064, 14595, 15568, 16408, 16680, 17580, 19460, 20510, 23352, 23440, 24612, 29190, 30765, 32816, 33360, 35160, 38920, 40727, 41020, 46704, 49224, 58380, 61530, 70320, 77840, 81454, 82040, 98448, 116760, 122181, 123060, 162908, 164080, 203635, 233520, 244362, 246120, 285089, 325816, 407270, 488724, 492240, 570178, 610905, 651632, 814540, 855267, 977448, 1140356, 1221810, 1425445, 1629080, 1710534, 1954896, 2280712, 2443620, 2850890, 3258160, 3421068, 4276335, 4561424, 4887240, 5701780, 6842136, 8552670, 9774480, 11403560, 13684272, 17105340, 22807120, 34210680, 68421360]

約数ペア:

[(1, 68421360), (2, 34210680), (3, 22807120), (4, 17105340), (5, 13684272), (6, 11403560), (7, 9774480), (8, 8552670), (10, 6842136), (12, 5701780), (14, 4887240), (15, 4561424), (16, 4276335), (20, 3421068), (21, 3258160), (24, 2850890), (28, 2443620), (30, 2280712), (35, 1954896), (40, 1710534), (42, 1629080), (48, 1425445), (56, 1221810), (60, 1140356), (70, 977448), (80, 855267), (84, 814540), (105, 651632), (112, 610905), (120, 570178), (139, 492240), (140, 488724), (168, 407270), (210, 325816), (240, 285089), (278, 246120), (280, 244362), (293, 233520), (336, 203635), (417, 164080), (420, 162908), (556, 123060), (560, 122181), (586, 116760), (695, 98448), (834, 82040), (840, 81454), (879, 77840), (973, 70320), (1112, 61530), (1172, 58380), (1390, 49224), (1465, 46704), (1668, 41020), (1680, 40727), (1758, 38920), (1946, 35160), (2051, 33360), (2085, 32816), (2224, 30765), (2344, 29190), (2780, 24612), (2919, 23440), (2930, 23352), (3336, 20510), (3516, 19460), (3892, 17580), (4102, 16680), (4170, 16408), (4395, 15568), (4688, 14595), (4865, 14064), (5560, 12306), (5838, 11720), (5860, 11676), (6153, 11120), (6672, 10255), (7032, 9730), (7784, 8790), (8204, 8340)]