977990080

素因数分解:

$2^6\times 5^1\times {\mathrm{1289}}^1\times {\mathrm{2371}}^1$

素因数の和:3677

約数の個数: 56

約数和(自身を含む): 2331628560

約数和(自身を除く): 1353638480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 1289, 2371, 2578, 4742, 5156, 6445, 9484, 10312, 11855, 12890, 18968, 20624, 23710, 25780, 37936, 41248, 47420, 51560, 75872, 82496, 94840, 103120, 151744, 189680, 206240, 379360, 412480, 758720, 3056219, 6112438, 12224876, 15281095, 24449752, 30562190, 48899504, 61124380, 97799008, 122248760, 195598016, 244497520, 488995040, 977990080]

約数ペア:

[(1, 977990080), (2, 488995040), (4, 244497520), (5, 195598016), (8, 122248760), (10, 97799008), (16, 61124380), (20, 48899504), (32, 30562190), (40, 24449752), (64, 15281095), (80, 12224876), (160, 6112438), (320, 3056219), (1289, 758720), (2371, 412480), (2578, 379360), (4742, 206240), (5156, 189680), (6445, 151744), (9484, 103120), (10312, 94840), (11855, 82496), (12890, 75872), (18968, 51560), (20624, 47420), (23710, 41248), (25780, 37936)]