2988490680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{395303}}^1$

素因数の和:395330

約数の個数: 128

約数和(自身を含む): 11384755200

約数和(自身を除く): 8396264520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 395303, 790606, 1185909, 1581212, 1976515, 2371818, 2767121, 3162424, 3557727, 3953030, 4743636, 5534242, 5929545, 7115454, 7906060, 8301363, 9487272, 10673181, 11068484, 11859090, 13835605, 14230908, 15812120, 16602726, 17788635, 21346362, 22136968, 23718180, 24904089, 27671210, 28461816, 33205452, 35577270, 41506815, 42692724, 47436360, 49808178, 53365905, 55342420, 66410904, 71154540, 74712267, 83013630, 85385448, 99616356, 106731810, 110684840, 124520445, 142309080, 149424534, 166027260, 199232712, 213463620, 249040890, 298849068, 332054520, 373561335, 426927240, 498081780, 597698136, 747122670, 996163560, 1494245340, 2988490680]

約数ペア:

[(1, 2988490680), (2, 1494245340), (3, 996163560), (4, 747122670), (5, 597698136), (6, 498081780), (7, 426927240), (8, 373561335), (9, 332054520), (10, 298849068), (12, 249040890), (14, 213463620), (15, 199232712), (18, 166027260), (20, 149424534), (21, 142309080), (24, 124520445), (27, 110684840), (28, 106731810), (30, 99616356), (35, 85385448), (36, 83013630), (40, 74712267), (42, 71154540), (45, 66410904), (54, 55342420), (56, 53365905), (60, 49808178), (63, 47436360), (70, 42692724), (72, 41506815), (84, 35577270), (90, 33205452), (105, 28461816), (108, 27671210), (120, 24904089), (126, 23718180), (135, 22136968), (140, 21346362), (168, 17788635), (180, 16602726), (189, 15812120), (210, 14230908), (216, 13835605), (252, 11859090), (270, 11068484), (280, 10673181), (315, 9487272), (360, 8301363), (378, 7906060), (420, 7115454), (504, 5929545), (540, 5534242), (630, 4743636), (756, 3953030), (840, 3557727), (945, 3162424), (1080, 2767121), (1260, 2371818), (1512, 1976515), (1890, 1581212), (2520, 1185909), (3780, 790606), (7560, 395303)]