71380965880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{12923}}^1\times {\mathrm{19727}}^1$

素因数の和:32668

約数の個数: 64

約数和(自身を含む): 183574563840

約数和(自身を除く): 112193597960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 12923, 19727, 25846, 39454, 51692, 64615, 78908, 90461, 98635, 103384, 129230, 138089, 157816, 180922, 197270, 258460, 276178, 361844, 394540, 452305, 516920, 552356, 690445, 723688, 789080, 904610, 1104712, 1380890, 1809220, 2761780, 3618440, 5523560, 254932021, 509864042, 1019728084, 1274660105, 1784524147, 2039456168, 2549320210, 3569048294, 5098640420, 7138096588, 8922620735, 10197280840, 14276193176, 17845241470, 35690482940, 71380965880]

約数ペア:

[(1, 71380965880), (2, 35690482940), (4, 17845241470), (5, 14276193176), (7, 10197280840), (8, 8922620735), (10, 7138096588), (14, 5098640420), (20, 3569048294), (28, 2549320210), (35, 2039456168), (40, 1784524147), (56, 1274660105), (70, 1019728084), (140, 509864042), (280, 254932021), (12923, 5523560), (19727, 3618440), (25846, 2761780), (39454, 1809220), (51692, 1380890), (64615, 1104712), (78908, 904610), (90461, 789080), (98635, 723688), (103384, 690445), (129230, 552356), (138089, 516920), (157816, 452305), (180922, 394540), (197270, 361844), (258460, 276178)]