1312640

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{293}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 3598560

約数和(自身を除く): 2285920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 293, 320, 448, 560, 586, 640, 896, 1120, 1172, 1465, 2051, 2240, 2344, 2930, 4102, 4480, 4688, 5860, 8204, 9376, 10255, 11720, 16408, 18752, 20510, 23440, 32816, 37504, 41020, 46880, 65632, 82040, 93760, 131264, 164080, 187520, 262528, 328160, 656320, 1312640]

約数ペア:

[(1, 1312640), (2, 656320), (4, 328160), (5, 262528), (7, 187520), (8, 164080), (10, 131264), (14, 93760), (16, 82040), (20, 65632), (28, 46880), (32, 41020), (35, 37504), (40, 32816), (56, 23440), (64, 20510), (70, 18752), (80, 16408), (112, 11720), (128, 10255), (140, 9376), (160, 8204), (224, 5860), (280, 4688), (293, 4480), (320, 4102), (448, 2930), (560, 2344), (586, 2240), (640, 2051), (896, 1465), (1120, 1172)]