18856515706720

素因数分解:

$2^5\times 5^1\times {\mathrm{163}}^1\times {\mathrm{95651}}^1\times {\mathrm{7559}}^1$

素因数の和:103388

約数の個数: 96

約数和(自身を含む): 44828220407040

約数和(自身を除く): 25971704700320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 5216, 6520, 7559, 13040, 15118, 26080, 30236, 37795, 60472, 75590, 95651, 120944, 151180, 191302, 241888, 302360, 382604, 478255, 604720, 765208, 956510, 1209440, 1232117, 1530416, 1913020, 2464234, 3060832, 3826040, 4928468, 6160585, 7652080, 9856936, 12321170, 15304160, 15591113, 19713872, 24642340, 31182226, 39427744, 49284680, 62364452, 77955565, 98569360, 124728904, 155911130, 197138720, 249457808, 311822260, 498915616, 623644520, 723025909, 1247289040, 1446051818, 2494578080, 2892103636, 3615129545, 5784207272, 7230259090, 11568414544, 14460518180, 23136829088, 28921036360, 57842072720, 115684145440, 117853223167, 235706446334, 471412892668, 589266115835, 942825785336, 1178532231670, 1885651570672, 2357064463340, 3771303141344, 4714128926680, 9428257853360, 18856515706720]

約数ペア:

[(1, 18856515706720), (2, 9428257853360), (4, 4714128926680), (5, 3771303141344), (8, 2357064463340), (10, 1885651570672), (16, 1178532231670), (20, 942825785336), (32, 589266115835), (40, 471412892668), (80, 235706446334), (160, 117853223167), (163, 115684145440), (326, 57842072720), (652, 28921036360), (815, 23136829088), (1304, 14460518180), (1630, 11568414544), (2608, 7230259090), (3260, 5784207272), (5216, 3615129545), (6520, 2892103636), (7559, 2494578080), (13040, 1446051818), (15118, 1247289040), (26080, 723025909), (30236, 623644520), (37795, 498915616), (60472, 311822260), (75590, 249457808), (95651, 197138720), (120944, 155911130), (151180, 124728904), (191302, 98569360), (241888, 77955565), (302360, 62364452), (382604, 49284680), (478255, 39427744), (604720, 31182226), (765208, 24642340), (956510, 19713872), (1209440, 15591113), (1232117, 15304160), (1530416, 12321170), (1913020, 9856936), (2464234, 7652080), (3060832, 6160585), (3826040, 4928468)]