15885520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1532

約数の個数: 80

約数和(自身を含む): 44461440

約数和(自身を除く): 28575920

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, 1493, 1520, 2128, 2660, 2986, 5320, 5972, 7465, 10451, 10640, 11944, 14930, 20902, 23888, 28367, 29860, 41804, 52255, 56734, 59720, 83608, 104510, 113468, 119440, 141835, 167216, 198569, 209020, 226936, 283670, 397138, 418040, 453872, 567340, 794276, 836080, 992845, 1134680, 1588552, 1985690, 2269360, 3177104, 3971380, 7942760, 15885520]

約数ペア:

[(1, 15885520), (2, 7942760), (4, 3971380), (5, 3177104), (7, 2269360), (8, 1985690), (10, 1588552), (14, 1134680), (16, 992845), (19, 836080), (20, 794276), (28, 567340), (35, 453872), (38, 418040), (40, 397138), (56, 283670), (70, 226936), (76, 209020), (80, 198569), (95, 167216), (112, 141835), (133, 119440), (140, 113468), (152, 104510), (190, 83608), (266, 59720), (280, 56734), (304, 52255), (380, 41804), (532, 29860), (560, 28367), (665, 23888), (760, 20902), (1064, 14930), (1330, 11944), (1493, 10640), (1520, 10451), (2128, 7465), (2660, 5972), (2986, 5320)]