1291783360

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{576689}}^1$

素因数の和:576713

約数の個数: 56

約数和(自身を含む): 3515502240

約数和(自身を除く): 2223718880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 576689, 1153378, 2306756, 2883445, 4036823, 4613512, 5766890, 8073646, 9227024, 11533780, 16147292, 18454048, 20184115, 23067560, 32294584, 36908096, 40368230, 46135120, 64589168, 80736460, 92270240, 129178336, 161472920, 184540480, 258356672, 322945840, 645891680, 1291783360]

約数ペア:

[(1, 1291783360), (2, 645891680), (4, 322945840), (5, 258356672), (7, 184540480), (8, 161472920), (10, 129178336), (14, 92270240), (16, 80736460), (20, 64589168), (28, 46135120), (32, 40368230), (35, 36908096), (40, 32294584), (56, 23067560), (64, 20184115), (70, 18454048), (80, 16147292), (112, 11533780), (140, 9227024), (160, 8073646), (224, 5766890), (280, 4613512), (320, 4036823), (448, 2883445), (560, 2306756), (1120, 1153378), (2240, 576689)]