72118760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:283

約数の個数: 128

約数和(自身を含む): 199584000

約数和(自身を除く): 127465240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 109, 119, 136, 139, 140, 170, 218, 238, 278, 280, 340, 436, 476, 545, 556, 595, 680, 695, 763, 872, 952, 973, 1090, 1112, 1190, 1390, 1526, 1853, 1946, 2180, 2363, 2380, 2780, 3052, 3706, 3815, 3892, 4360, 4726, 4760, 4865, 5560, 6104, 7412, 7630, 7784, 9265, 9452, 9730, 11815, 12971, 14824, 15151, 15260, 16541, 18530, 18904, 19460, 23630, 25942, 30302, 30520, 33082, 37060, 38920, 47260, 51884, 60604, 64855, 66164, 74120, 75755, 82705, 94520, 103768, 106057, 121208, 129710, 132328, 151510, 165410, 212114, 257567, 259420, 303020, 330820, 424228, 515134, 518840, 530285, 606040, 661640, 848456, 1030268, 1060570, 1287835, 1802969, 2060536, 2121140, 2575670, 3605938, 4242280, 5151340, 7211876, 9014845, 10302680, 14423752, 18029690, 36059380, 72118760]

約数ペア:

[(1, 72118760), (2, 36059380), (4, 18029690), (5, 14423752), (7, 10302680), (8, 9014845), (10, 7211876), (14, 5151340), (17, 4242280), (20, 3605938), (28, 2575670), (34, 2121140), (35, 2060536), (40, 1802969), (56, 1287835), (68, 1060570), (70, 1030268), (85, 848456), (109, 661640), (119, 606040), (136, 530285), (139, 518840), (140, 515134), (170, 424228), (218, 330820), (238, 303020), (278, 259420), (280, 257567), (340, 212114), (436, 165410), (476, 151510), (545, 132328), (556, 129710), (595, 121208), (680, 106057), (695, 103768), (763, 94520), (872, 82705), (952, 75755), (973, 74120), (1090, 66164), (1112, 64855), (1190, 60604), (1390, 51884), (1526, 47260), (1853, 38920), (1946, 37060), (2180, 33082), (2363, 30520), (2380, 30302), (2780, 25942), (3052, 23630), (3706, 19460), (3815, 18904), (3892, 18530), (4360, 16541), (4726, 15260), (4760, 15151), (4865, 14824), (5560, 12971), (6104, 11815), (7412, 9730), (7630, 9452), (7784, 9265)]