80538570

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{991}}^1$

素因数の和:1057

約数の個数: 128

約数和(自身を含む): 251412480

約数和(自身を除く): 170873910

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 43, 45, 54, 63, 70, 86, 90, 105, 126, 129, 135, 189, 210, 215, 258, 270, 301, 315, 378, 387, 430, 602, 630, 645, 774, 903, 945, 991, 1161, 1290, 1505, 1806, 1890, 1935, 1982, 2322, 2709, 2973, 3010, 3870, 4515, 4955, 5418, 5805, 5946, 6937, 8127, 8919, 9030, 9910, 11610, 13545, 13874, 14865, 16254, 17838, 20811, 26757, 27090, 29730, 34685, 40635, 41622, 42613, 44595, 53514, 62433, 69370, 81270, 85226, 89190, 104055, 124866, 127839, 133785, 187299, 208110, 213065, 255678, 267570, 298291, 312165, 374598, 383517, 426130, 596582, 624330, 639195, 767034, 894873, 936495, 1150551, 1278390, 1491455, 1789746, 1872990, 1917585, 2301102, 2684619, 2982910, 3835170, 4474365, 5369238, 5752755, 8053857, 8948730, 11505510, 13423095, 16107714, 26846190, 40269285, 80538570]

約数ペア:

[(1, 80538570), (2, 40269285), (3, 26846190), (5, 16107714), (6, 13423095), (7, 11505510), (9, 8948730), (10, 8053857), (14, 5752755), (15, 5369238), (18, 4474365), (21, 3835170), (27, 2982910), (30, 2684619), (35, 2301102), (42, 1917585), (43, 1872990), (45, 1789746), (54, 1491455), (63, 1278390), (70, 1150551), (86, 936495), (90, 894873), (105, 767034), (126, 639195), (129, 624330), (135, 596582), (189, 426130), (210, 383517), (215, 374598), (258, 312165), (270, 298291), (301, 267570), (315, 255678), (378, 213065), (387, 208110), (430, 187299), (602, 133785), (630, 127839), (645, 124866), (774, 104055), (903, 89190), (945, 85226), (991, 81270), (1161, 69370), (1290, 62433), (1505, 53514), (1806, 44595), (1890, 42613), (1935, 41622), (1982, 40635), (2322, 34685), (2709, 29730), (2973, 27090), (3010, 26757), (3870, 20811), (4515, 17838), (4955, 16254), (5418, 14865), (5805, 13874), (5946, 13545), (6937, 11610), (8127, 9910), (8919, 9030)]