28081320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{971}}^1$

素因数の和:1226

約数の個数: 64

約数和(自身を含む): 84680640

約数和(自身を除く): 56599320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 241, 482, 723, 964, 971, 1205, 1446, 1928, 1942, 2410, 2892, 2913, 3615, 3884, 4820, 4855, 5784, 5826, 7230, 7768, 9640, 9710, 11652, 14460, 14565, 19420, 23304, 28920, 29130, 38840, 58260, 116520, 234011, 468022, 702033, 936044, 1170055, 1404066, 1872088, 2340110, 2808132, 3510165, 4680220, 5616264, 7020330, 9360440, 14040660, 28081320]

約数ペア:

[(1, 28081320), (2, 14040660), (3, 9360440), (4, 7020330), (5, 5616264), (6, 4680220), (8, 3510165), (10, 2808132), (12, 2340110), (15, 1872088), (20, 1404066), (24, 1170055), (30, 936044), (40, 702033), (60, 468022), (120, 234011), (241, 116520), (482, 58260), (723, 38840), (964, 29130), (971, 28920), (1205, 23304), (1446, 19420), (1928, 14565), (1942, 14460), (2410, 11652), (2892, 9710), (2913, 9640), (3615, 7768), (3884, 7230), (4820, 5826), (4855, 5784)]