80797120

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 112

約数和(自身を含む): 206105760

約数和(自身を除く): 125308640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 97, 137, 152, 160, 190, 194, 274, 304, 320, 380, 388, 485, 548, 608, 685, 760, 776, 970, 1096, 1216, 1370, 1520, 1552, 1843, 1940, 2192, 2603, 2740, 3040, 3104, 3686, 3880, 4384, 5206, 5480, 6080, 6208, 7372, 7760, 8768, 9215, 10412, 10960, 13015, 13289, 14744, 15520, 18430, 20824, 21920, 26030, 26578, 29488, 31040, 36860, 41648, 43840, 52060, 53156, 58976, 66445, 73720, 83296, 104120, 106312, 117952, 132890, 147440, 166592, 208240, 212624, 252491, 265780, 294880, 416480, 425248, 504982, 531560, 589760, 832960, 850496, 1009964, 1063120, 1262455, 2019928, 2126240, 2524910, 4039856, 4252480, 5049820, 8079712, 10099640, 16159424, 20199280, 40398560, 80797120]

約数ペア:

[(1, 80797120), (2, 40398560), (4, 20199280), (5, 16159424), (8, 10099640), (10, 8079712), (16, 5049820), (19, 4252480), (20, 4039856), (32, 2524910), (38, 2126240), (40, 2019928), (64, 1262455), (76, 1063120), (80, 1009964), (95, 850496), (97, 832960), (137, 589760), (152, 531560), (160, 504982), (190, 425248), (194, 416480), (274, 294880), (304, 265780), (320, 252491), (380, 212624), (388, 208240), (485, 166592), (548, 147440), (608, 132890), (685, 117952), (760, 106312), (776, 104120), (970, 83296), (1096, 73720), (1216, 66445), (1370, 58976), (1520, 53156), (1552, 52060), (1843, 43840), (1940, 41648), (2192, 36860), (2603, 31040), (2740, 29488), (3040, 26578), (3104, 26030), (3686, 21920), (3880, 20824), (4384, 18430), (5206, 15520), (5480, 14744), (6080, 13289), (6208, 13015), (7372, 10960), (7760, 10412), (8768, 9215)]