157921120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{20143}}^1$

素因数の和:20172

約数の個数: 72

約数和(自身を含む): 434022624

約数和(自身を除く): 276101504

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, 20143, 40286, 80572, 100715, 141001, 161144, 201430, 282002, 322288, 402860, 564004, 644576, 705005, 805720, 987007, 1128008, 1410010, 1611440, 1974014, 2256016, 2820020, 3222880, 3948028, 4512032, 4935035, 5640040, 7896056, 9870070, 11280080, 15792112, 19740140, 22560160, 31584224, 39480280, 78960560, 157921120]

約数ペア:

[(1, 157921120), (2, 78960560), (4, 39480280), (5, 31584224), (7, 22560160), (8, 19740140), (10, 15792112), (14, 11280080), (16, 9870070), (20, 7896056), (28, 5640040), (32, 4935035), (35, 4512032), (40, 3948028), (49, 3222880), (56, 2820020), (70, 2256016), (80, 1974014), (98, 1611440), (112, 1410010), (140, 1128008), (160, 987007), (196, 805720), (224, 705005), (245, 644576), (280, 564004), (392, 402860), (490, 322288), (560, 282002), (784, 201430), (980, 161144), (1120, 141001), (1568, 100715), (1960, 80572), (3920, 40286), (7840, 20143)]