7525840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{151}}^1$

素因数の和:260

約数の個数: 80

約数和(自身を含む): 20355840

約数和(自身を除く): 12830000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 89, 112, 140, 151, 178, 280, 302, 356, 445, 560, 604, 623, 712, 755, 890, 1057, 1208, 1246, 1424, 1510, 1780, 2114, 2416, 2492, 3020, 3115, 3560, 4228, 4984, 5285, 6040, 6230, 7120, 8456, 9968, 10570, 12080, 12460, 13439, 16912, 21140, 24920, 26878, 42280, 49840, 53756, 67195, 84560, 94073, 107512, 134390, 188146, 215024, 268780, 376292, 470365, 537560, 752584, 940730, 1075120, 1505168, 1881460, 3762920, 7525840]

約数ペア:

[(1, 7525840), (2, 3762920), (4, 1881460), (5, 1505168), (7, 1075120), (8, 940730), (10, 752584), (14, 537560), (16, 470365), (20, 376292), (28, 268780), (35, 215024), (40, 188146), (56, 134390), (70, 107512), (80, 94073), (89, 84560), (112, 67195), (140, 53756), (151, 49840), (178, 42280), (280, 26878), (302, 24920), (356, 21140), (445, 16912), (560, 13439), (604, 12460), (623, 12080), (712, 10570), (755, 9968), (890, 8456), (1057, 7120), (1208, 6230), (1246, 6040), (1424, 5285), (1510, 4984), (1780, 4228), (2114, 3560), (2416, 3115), (2492, 3020)]