639315040

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2311}}^1$

素因数の和:2365

約数の個数: 192

約数和(自身を含む): 1957616640

約数和(自身を除く): 1318301600

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 19, 20, 26, 28, 32, 35, 38, 40, 52, 56, 65, 70, 76, 80, 91, 95, 104, 112, 130, 133, 140, 152, 160, 182, 190, 208, 224, 247, 260, 266, 280, 304, 364, 380, 416, 455, 494, 520, 532, 560, 608, 665, 728, 760, 910, 988, 1040, 1064, 1120, 1235, 1330, 1456, 1520, 1729, 1820, 1976, 2080, 2128, 2311, 2470, 2660, 2912, 3040, 3458, 3640, 3952, 4256, 4622, 4940, 5320, 6916, 7280, 7904, 8645, 9244, 9880, 10640, 11555, 13832, 14560, 16177, 17290, 18488, 19760, 21280, 23110, 27664, 30043, 32354, 34580, 36976, 39520, 43909, 46220, 55328, 60086, 64708, 69160, 73952, 80885, 87818, 92440, 120172, 129416, 138320, 150215, 161770, 175636, 184880, 210301, 219545, 240344, 258832, 276640, 300430, 307363, 323540, 351272, 369760, 420602, 439090, 480688, 517664, 570817, 600860, 614726, 647080, 702544, 841204, 878180, 961376, 1051505, 1141634, 1201720, 1229452, 1294160, 1405088, 1536815, 1682408, 1756360, 2103010, 2283268, 2403440, 2458904, 2588320, 2854085, 3073630, 3364816, 3512720, 3995719, 4206020, 4566536, 4806880, 4917808, 5708170, 6147260, 6729632, 7025440, 7991438, 8412040, 9133072, 9835616, 11416340, 12294520, 15982876, 16824080, 18266144, 19978595, 22832680, 24589040, 31965752, 33648160, 39957190, 45665360, 49178080, 63931504, 79914380, 91330720, 127863008, 159828760, 319657520, 639315040]

約数ペア:

[(1, 639315040), (2, 319657520), (4, 159828760), (5, 127863008), (7, 91330720), (8, 79914380), (10, 63931504), (13, 49178080), (14, 45665360), (16, 39957190), (19, 33648160), (20, 31965752), (26, 24589040), (28, 22832680), (32, 19978595), (35, 18266144), (38, 16824080), (40, 15982876), (52, 12294520), (56, 11416340), (65, 9835616), (70, 9133072), (76, 8412040), (80, 7991438), (91, 7025440), (95, 6729632), (104, 6147260), (112, 5708170), (130, 4917808), (133, 4806880), (140, 4566536), (152, 4206020), (160, 3995719), (182, 3512720), (190, 3364816), (208, 3073630), (224, 2854085), (247, 2588320), (260, 2458904), (266, 2403440), (280, 2283268), (304, 2103010), (364, 1756360), (380, 1682408), (416, 1536815), (455, 1405088), (494, 1294160), (520, 1229452), (532, 1201720), (560, 1141634), (608, 1051505), (665, 961376), (728, 878180), (760, 841204), (910, 702544), (988, 647080), (1040, 614726), (1064, 600860), (1120, 570817), (1235, 517664), (1330, 480688), (1456, 439090), (1520, 420602), (1729, 369760), (1820, 351272), (1976, 323540), (2080, 307363), (2128, 300430), (2311, 276640), (2470, 258832), (2660, 240344), (2912, 219545), (3040, 210301), (3458, 184880), (3640, 175636), (3952, 161770), (4256, 150215), (4622, 138320), (4940, 129416), (5320, 120172), (6916, 92440), (7280, 87818), (7904, 80885), (8645, 73952), (9244, 69160), (9880, 64708), (10640, 60086), (11555, 55328), (13832, 46220), (14560, 43909), (16177, 39520), (17290, 36976), (18488, 34580), (19760, 32354), (21280, 30043), (23110, 27664)]