28995520

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{251}}^1$

素因数の和:306

約数の個数: 84

約数和(自身を含む): 73161144

約数和(自身を除く): 44165624

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 251, 304, 320, 361, 380, 502, 608, 722, 760, 1004, 1216, 1255, 1444, 1520, 1805, 2008, 2510, 2888, 3040, 3610, 4016, 4769, 5020, 5776, 6080, 7220, 8032, 9538, 10040, 11552, 14440, 16064, 19076, 20080, 23104, 23845, 28880, 38152, 40160, 47690, 57760, 76304, 80320, 90611, 95380, 115520, 152608, 181222, 190760, 305216, 362444, 381520, 453055, 724888, 763040, 906110, 1449776, 1526080, 1812220, 2899552, 3624440, 5799104, 7248880, 14497760, 28995520]

約数ペア:

[(1, 28995520), (2, 14497760), (4, 7248880), (5, 5799104), (8, 3624440), (10, 2899552), (16, 1812220), (19, 1526080), (20, 1449776), (32, 906110), (38, 763040), (40, 724888), (64, 453055), (76, 381520), (80, 362444), (95, 305216), (152, 190760), (160, 181222), (190, 152608), (251, 115520), (304, 95380), (320, 90611), (361, 80320), (380, 76304), (502, 57760), (608, 47690), (722, 40160), (760, 38152), (1004, 28880), (1216, 23845), (1255, 23104), (1444, 20080), (1520, 19076), (1805, 16064), (2008, 14440), (2510, 11552), (2888, 10040), (3040, 9538), (3610, 8032), (4016, 7220), (4769, 6080), (5020, 5776)]