76385720

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:464

約数の個数: 64

約数和(自身を含む): 177059520

約数和(自身を除く): 100673800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 137, 212, 263, 265, 274, 424, 526, 530, 548, 685, 1052, 1060, 1096, 1315, 1370, 2104, 2120, 2630, 2740, 5260, 5480, 7261, 10520, 13939, 14522, 27878, 29044, 36031, 36305, 55756, 58088, 69695, 72062, 72610, 111512, 139390, 144124, 145220, 180155, 278780, 288248, 290440, 360310, 557560, 720620, 1441240, 1909643, 3819286, 7638572, 9548215, 15277144, 19096430, 38192860, 76385720]

約数ペア:

[(1, 76385720), (2, 38192860), (4, 19096430), (5, 15277144), (8, 9548215), (10, 7638572), (20, 3819286), (40, 1909643), (53, 1441240), (106, 720620), (137, 557560), (212, 360310), (263, 290440), (265, 288248), (274, 278780), (424, 180155), (526, 145220), (530, 144124), (548, 139390), (685, 111512), (1052, 72610), (1060, 72062), (1096, 69695), (1315, 58088), (1370, 55756), (2104, 36305), (2120, 36031), (2630, 29044), (2740, 27878), (5260, 14522), (5480, 13939), (7261, 10520)]