90240640

素因数分解:

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

素因数の和:20169

約数の個数: 64

約数和(自身を含む): 246562560

約数和(自身を除く): 156321920

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, 320, 448, 560, 640, 896, 1120, 2240, 4480, 20143, 40286, 80572, 100715, 141001, 161144, 201430, 282002, 322288, 402860, 564004, 644576, 705005, 805720, 1128008, 1289152, 1410010, 1611440, 2256016, 2578304, 2820020, 3222880, 4512032, 5640040, 6445760, 9024064, 11280080, 12891520, 18048128, 22560160, 45120320, 90240640]

約数ペア:

[(1, 90240640), (2, 45120320), (4, 22560160), (5, 18048128), (7, 12891520), (8, 11280080), (10, 9024064), (14, 6445760), (16, 5640040), (20, 4512032), (28, 3222880), (32, 2820020), (35, 2578304), (40, 2256016), (56, 1611440), (64, 1410010), (70, 1289152), (80, 1128008), (112, 805720), (128, 705005), (140, 644576), (160, 564004), (224, 402860), (280, 322288), (320, 282002), (448, 201430), (560, 161144), (640, 141001), (896, 100715), (1120, 80572), (2240, 40286), (4480, 20143)]