66985600

素因数分解:

$2^7\times 5^2\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 144

約数和(自身を含む): 182937510

約数和(自身を除く): 115951910

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 121, 128, 160, 173, 176, 200, 220, 242, 275, 320, 346, 352, 400, 440, 484, 550, 605, 640, 692, 704, 800, 865, 880, 968, 1100, 1210, 1384, 1408, 1600, 1730, 1760, 1903, 1936, 2200, 2420, 2768, 3025, 3200, 3460, 3520, 3806, 3872, 4325, 4400, 4840, 5536, 6050, 6920, 7040, 7612, 7744, 8650, 8800, 9515, 9680, 11072, 12100, 13840, 15224, 15488, 17300, 17600, 19030, 19360, 20933, 22144, 24200, 27680, 30448, 34600, 35200, 38060, 38720, 41866, 47575, 48400, 55360, 60896, 69200, 76120, 77440, 83732, 95150, 96800, 104665, 110720, 121792, 138400, 152240, 167464, 190300, 193600, 209330, 243584, 276800, 304480, 334928, 380600, 387200, 418660, 523325, 553600, 608960, 669856, 761200, 837320, 1046650, 1217920, 1339712, 1522400, 1674640, 2093300, 2679424, 3044800, 3349280, 4186600, 6089600, 6698560, 8373200, 13397120, 16746400, 33492800, 66985600]

約数ペア:

[(1, 66985600), (2, 33492800), (4, 16746400), (5, 13397120), (8, 8373200), (10, 6698560), (11, 6089600), (16, 4186600), (20, 3349280), (22, 3044800), (25, 2679424), (32, 2093300), (40, 1674640), (44, 1522400), (50, 1339712), (55, 1217920), (64, 1046650), (80, 837320), (88, 761200), (100, 669856), (110, 608960), (121, 553600), (128, 523325), (160, 418660), (173, 387200), (176, 380600), (200, 334928), (220, 304480), (242, 276800), (275, 243584), (320, 209330), (346, 193600), (352, 190300), (400, 167464), (440, 152240), (484, 138400), (550, 121792), (605, 110720), (640, 104665), (692, 96800), (704, 95150), (800, 83732), (865, 77440), (880, 76120), (968, 69200), (1100, 60896), (1210, 55360), (1384, 48400), (1408, 47575), (1600, 41866), (1730, 38720), (1760, 38060), (1903, 35200), (1936, 34600), (2200, 30448), (2420, 27680), (2768, 24200), (3025, 22144), (3200, 20933), (3460, 19360), (3520, 19030), (3806, 17600), (3872, 17300), (4325, 15488), (4400, 15224), (4840, 13840), (5536, 12100), (6050, 11072), (6920, 9680), (7040, 9515), (7612, 8800), (7744, 8650)]