130285520

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 311646720

約数和(自身を除く): 181361200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 109, 134, 218, 223, 268, 335, 436, 446, 536, 545, 670, 872, 892, 1072, 1090, 1115, 1340, 1744, 1784, 2180, 2230, 2680, 3568, 4360, 4460, 5360, 7303, 8720, 8920, 14606, 14941, 17840, 24307, 29212, 29882, 36515, 48614, 58424, 59764, 73030, 74705, 97228, 116848, 119528, 121535, 146060, 149410, 194456, 239056, 243070, 292120, 298820, 388912, 486140, 584240, 597640, 972280, 1195280, 1628569, 1944560, 3257138, 6514276, 8142845, 13028552, 16285690, 26057104, 32571380, 65142760, 130285520]

約数ペア:

[(1, 130285520), (2, 65142760), (4, 32571380), (5, 26057104), (8, 16285690), (10, 13028552), (16, 8142845), (20, 6514276), (40, 3257138), (67, 1944560), (80, 1628569), (109, 1195280), (134, 972280), (218, 597640), (223, 584240), (268, 486140), (335, 388912), (436, 298820), (446, 292120), (536, 243070), (545, 239056), (670, 194456), (872, 149410), (892, 146060), (1072, 121535), (1090, 119528), (1115, 116848), (1340, 97228), (1744, 74705), (1784, 73030), (2180, 59764), (2230, 58424), (2680, 48614), (3568, 36515), (4360, 29882), (4460, 29212), (5360, 24307), (7303, 17840), (8720, 14941), (8920, 14606)]