1257672640

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{561461}}^1$

素因数の和:561485

約数の個数: 56

約数和(自身を含む): 3422672352

約数和(自身を除く): 2164999712

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, 561461, 1122922, 2245844, 2807305, 3930227, 4491688, 5614610, 7860454, 8983376, 11229220, 15720908, 17966752, 19651135, 22458440, 31441816, 35933504, 39302270, 44916880, 62883632, 78604540, 89833760, 125767264, 157209080, 179667520, 251534528, 314418160, 628836320, 1257672640]

約数ペア:

[(1, 1257672640), (2, 628836320), (4, 314418160), (5, 251534528), (7, 179667520), (8, 157209080), (10, 125767264), (14, 89833760), (16, 78604540), (20, 62883632), (28, 44916880), (32, 39302270), (35, 35933504), (40, 31441816), (56, 22458440), (64, 19651135), (70, 17966752), (80, 15720908), (112, 11229220), (140, 8983376), (160, 7860454), (224, 5614610), (280, 4491688), (320, 3930227), (448, 2807305), (560, 2245844), (1120, 1122922), (2240, 561461)]