15438640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1451}}^1$

素因数の和:1490

約数の個数: 80

約数和(自身を含む): 43211520

約数和(自身を除く): 27772880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1451, 1520, 2128, 2660, 2902, 5320, 5804, 7255, 10157, 10640, 11608, 14510, 20314, 23216, 27569, 29020, 40628, 50785, 55138, 58040, 81256, 101570, 110276, 116080, 137845, 162512, 192983, 203140, 220552, 275690, 385966, 406280, 441104, 551380, 771932, 812560, 964915, 1102760, 1543864, 1929830, 2205520, 3087728, 3859660, 7719320, 15438640]

約数ペア:

[(1, 15438640), (2, 7719320), (4, 3859660), (5, 3087728), (7, 2205520), (8, 1929830), (10, 1543864), (14, 1102760), (16, 964915), (19, 812560), (20, 771932), (28, 551380), (35, 441104), (38, 406280), (40, 385966), (56, 275690), (70, 220552), (76, 203140), (80, 192983), (95, 162512), (112, 137845), (133, 116080), (140, 110276), (152, 101570), (190, 81256), (266, 58040), (280, 55138), (304, 50785), (380, 40628), (532, 29020), (560, 27569), (665, 23216), (760, 20314), (1064, 14510), (1330, 11608), (1451, 10640), (1520, 10157), (2128, 7255), (2660, 5804), (2902, 5320)]