80776220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{30367}}^1$

素因数の和:30402

約数の個数: 48

約数和(自身を含む): 204072960

約数和(自身を除く): 123296740

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 30367, 60734, 121468, 151835, 212569, 303670, 425138, 576973, 607340, 850276, 1062845, 1153946, 2125690, 2307892, 2884865, 4038811, 4251380, 5769730, 8077622, 11539460, 16155244, 20194055, 40388110, 80776220]

約数ペア:

[(1, 80776220), (2, 40388110), (4, 20194055), (5, 16155244), (7, 11539460), (10, 8077622), (14, 5769730), (19, 4251380), (20, 4038811), (28, 2884865), (35, 2307892), (38, 2125690), (70, 1153946), (76, 1062845), (95, 850276), (133, 607340), (140, 576973), (190, 425138), (266, 303670), (380, 212569), (532, 151835), (665, 121468), (1330, 60734), (2660, 30367)]