68643540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{347}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 240170112

約数和(自身を除く): 171526572

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 157, 180, 210, 252, 314, 315, 347, 420, 471, 628, 630, 694, 785, 942, 1041, 1099, 1260, 1388, 1413, 1570, 1735, 1884, 2082, 2198, 2355, 2429, 2826, 3123, 3140, 3297, 3470, 4164, 4396, 4710, 4858, 5205, 5495, 5652, 6246, 6594, 6940, 7065, 7287, 9420, 9716, 9891, 10410, 10990, 12145, 12492, 13188, 14130, 14574, 15615, 16485, 19782, 20820, 21861, 21980, 24290, 28260, 29148, 31230, 32970, 36435, 39564, 43722, 48580, 49455, 54479, 62460, 65940, 72870, 87444, 98910, 108958, 109305, 145740, 163437, 197820, 217916, 218610, 272395, 326874, 381353, 437220, 490311, 544790, 653748, 762706, 817185, 980622, 1089580, 1144059, 1525412, 1634370, 1906765, 1961244, 2288118, 2451555, 3268740, 3432177, 3813530, 4576236, 4903110, 5720295, 6864354, 7627060, 9806220, 11440590, 13728708, 17160885, 22881180, 34321770, 68643540]

約数ペア:

[(1, 68643540), (2, 34321770), (3, 22881180), (4, 17160885), (5, 13728708), (6, 11440590), (7, 9806220), (9, 7627060), (10, 6864354), (12, 5720295), (14, 4903110), (15, 4576236), (18, 3813530), (20, 3432177), (21, 3268740), (28, 2451555), (30, 2288118), (35, 1961244), (36, 1906765), (42, 1634370), (45, 1525412), (60, 1144059), (63, 1089580), (70, 980622), (84, 817185), (90, 762706), (105, 653748), (126, 544790), (140, 490311), (157, 437220), (180, 381353), (210, 326874), (252, 272395), (314, 218610), (315, 217916), (347, 197820), (420, 163437), (471, 145740), (628, 109305), (630, 108958), (694, 98910), (785, 87444), (942, 72870), (1041, 65940), (1099, 62460), (1260, 54479), (1388, 49455), (1413, 48580), (1570, 43722), (1735, 39564), (1884, 36435), (2082, 32970), (2198, 31230), (2355, 29148), (2429, 28260), (2826, 24290), (3123, 21980), (3140, 21861), (3297, 20820), (3470, 19782), (4164, 16485), (4396, 15615), (4710, 14574), (4858, 14130), (5205, 13188), (5495, 12492), (5652, 12145), (6246, 10990), (6594, 10410), (6940, 9891), (7065, 9716), (7287, 9420)]