668860720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{4663}}^1$

素因数の和:4850

約数の個数: 80

約数和(自身を含む): 1707247872

約数和(自身を除く): 1038387152

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 163, 176, 220, 326, 440, 652, 815, 880, 1304, 1630, 1793, 2608, 3260, 3586, 4663, 6520, 7172, 8965, 9326, 13040, 14344, 17930, 18652, 23315, 28688, 35860, 37304, 46630, 51293, 71720, 74608, 93260, 102586, 143440, 186520, 205172, 256465, 373040, 410344, 512930, 760069, 820688, 1025860, 1520138, 2051720, 3040276, 3800345, 4103440, 6080552, 7600690, 8360759, 12161104, 15201380, 16721518, 30402760, 33443036, 41803795, 60805520, 66886072, 83607590, 133772144, 167215180, 334430360, 668860720]

約数ペア:

[(1, 668860720), (2, 334430360), (4, 167215180), (5, 133772144), (8, 83607590), (10, 66886072), (11, 60805520), (16, 41803795), (20, 33443036), (22, 30402760), (40, 16721518), (44, 15201380), (55, 12161104), (80, 8360759), (88, 7600690), (110, 6080552), (163, 4103440), (176, 3800345), (220, 3040276), (326, 2051720), (440, 1520138), (652, 1025860), (815, 820688), (880, 760069), (1304, 512930), (1630, 410344), (1793, 373040), (2608, 256465), (3260, 205172), (3586, 186520), (4663, 143440), (6520, 102586), (7172, 93260), (8965, 74608), (9326, 71720), (13040, 51293), (14344, 46630), (17930, 37304), (18652, 35860), (23315, 28688)]