157638880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20107}}^1$

素因数の和:20136

約数の個数: 72

約数和(自身を含む): 433246968

約数和(自身を除く): 275608088

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 20107, 40214, 80428, 100535, 140749, 160856, 201070, 281498, 321712, 402140, 562996, 643424, 703745, 804280, 985243, 1125992, 1407490, 1608560, 1970486, 2251984, 2814980, 3217120, 3940972, 4503968, 4926215, 5629960, 7881944, 9852430, 11259920, 15763888, 19704860, 22519840, 31527776, 39409720, 78819440, 157638880]

約数ペア:

[(1, 157638880), (2, 78819440), (4, 39409720), (5, 31527776), (7, 22519840), (8, 19704860), (10, 15763888), (14, 11259920), (16, 9852430), (20, 7881944), (28, 5629960), (32, 4926215), (35, 4503968), (40, 3940972), (49, 3217120), (56, 2814980), (70, 2251984), (80, 1970486), (98, 1608560), (112, 1407490), (140, 1125992), (160, 985243), (196, 804280), (224, 703745), (245, 643424), (280, 562996), (392, 402140), (490, 321712), (560, 281498), (784, 201070), (980, 160856), (1120, 140749), (1568, 100535), (1960, 80428), (3920, 40214), (7840, 20107)]