20170188780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{499}}^1\times {\mathrm{613}}^1$

素因数の和:1288

約数の個数: 192

約数和(自身を含む): 65192064000

約数和(自身を除く): 45021875220

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 157, 210, 314, 420, 471, 499, 613, 628, 785, 942, 998, 1099, 1226, 1497, 1570, 1839, 1884, 1996, 2198, 2355, 2452, 2495, 2994, 3065, 3140, 3297, 3493, 3678, 4291, 4396, 4710, 4990, 5495, 5988, 6130, 6594, 6986, 7356, 7485, 8582, 9195, 9420, 9980, 10479, 10990, 12260, 12873, 13188, 13972, 14970, 16485, 17164, 17465, 18390, 20958, 21455, 21980, 25746, 29940, 32970, 34930, 36780, 41916, 42910, 51492, 52395, 64365, 65940, 69860, 78343, 85820, 96241, 104790, 128730, 156686, 192482, 209580, 235029, 257460, 288723, 305887, 313372, 384964, 391715, 470058, 481205, 548401, 577446, 611774, 673687, 783430, 917661, 940116, 962410, 1096802, 1154892, 1175145, 1223548, 1347374, 1443615, 1529435, 1566860, 1645203, 1835322, 1924820, 2021061, 2141209, 2193604, 2350290, 2694748, 2742005, 2887230, 3058870, 3290406, 3368435, 3670644, 4042122, 4282418, 4588305, 4700580, 5484010, 5774460, 6117740, 6423627, 6580812, 6736870, 8084244, 8226015, 8564836, 9176610, 10105305, 10706045, 10968020, 12847254, 13473740, 16452030, 18353220, 20210610, 21412090, 25694508, 32118135, 32904060, 40421220, 42824180, 48024259, 64236270, 96048518, 128472540, 144072777, 192097036, 240121295, 288145554, 336169813, 480242590, 576291108, 672339626, 720363885, 960485180, 1008509439, 1344679252, 1440727770, 1680849065, 2017018878, 2881455540, 3361698130, 4034037756, 5042547195, 6723396260, 10085094390, 20170188780]

約数ペア:

[(1, 20170188780), (2, 10085094390), (3, 6723396260), (4, 5042547195), (5, 4034037756), (6, 3361698130), (7, 2881455540), (10, 2017018878), (12, 1680849065), (14, 1440727770), (15, 1344679252), (20, 1008509439), (21, 960485180), (28, 720363885), (30, 672339626), (35, 576291108), (42, 480242590), (60, 336169813), (70, 288145554), (84, 240121295), (105, 192097036), (140, 144072777), (157, 128472540), (210, 96048518), (314, 64236270), (420, 48024259), (471, 42824180), (499, 40421220), (613, 32904060), (628, 32118135), (785, 25694508), (942, 21412090), (998, 20210610), (1099, 18353220), (1226, 16452030), (1497, 13473740), (1570, 12847254), (1839, 10968020), (1884, 10706045), (1996, 10105305), (2198, 9176610), (2355, 8564836), (2452, 8226015), (2495, 8084244), (2994, 6736870), (3065, 6580812), (3140, 6423627), (3297, 6117740), (3493, 5774460), (3678, 5484010), (4291, 4700580), (4396, 4588305), (4710, 4282418), (4990, 4042122), (5495, 3670644), (5988, 3368435), (6130, 3290406), (6594, 3058870), (6986, 2887230), (7356, 2742005), (7485, 2694748), (8582, 2350290), (9195, 2193604), (9420, 2141209), (9980, 2021061), (10479, 1924820), (10990, 1835322), (12260, 1645203), (12873, 1566860), (13188, 1529435), (13972, 1443615), (14970, 1347374), (16485, 1223548), (17164, 1175145), (17465, 1154892), (18390, 1096802), (20958, 962410), (21455, 940116), (21980, 917661), (25746, 783430), (29940, 673687), (32970, 611774), (34930, 577446), (36780, 548401), (41916, 481205), (42910, 470058), (51492, 391715), (52395, 384964), (64365, 313372), (65940, 305887), (69860, 288723), (78343, 257460), (85820, 235029), (96241, 209580), (104790, 192482), (128730, 156686)]