77757680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{971}}^1$

素因数の和:1015

約数の個数: 160

約数和(自身を含む): 242984448

約数和(自身を除く): 165226768

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 13, 14, 16, 20, 22, 26, 28, 35, 40, 44, 52, 55, 56, 65, 70, 77, 80, 88, 91, 104, 110, 112, 130, 140, 143, 154, 176, 182, 208, 220, 260, 280, 286, 308, 364, 385, 440, 455, 520, 560, 572, 616, 715, 728, 770, 880, 910, 971, 1001, 1040, 1144, 1232, 1430, 1456, 1540, 1820, 1942, 2002, 2288, 2860, 3080, 3640, 3884, 4004, 4855, 5005, 5720, 6160, 6797, 7280, 7768, 8008, 9710, 10010, 10681, 11440, 12623, 13594, 15536, 16016, 19420, 20020, 21362, 25246, 27188, 33985, 38840, 40040, 42724, 50492, 53405, 54376, 63115, 67970, 74767, 77680, 80080, 85448, 88361, 100984, 106810, 108752, 126230, 135940, 138853, 149534, 170896, 176722, 201968, 213620, 252460, 271880, 277706, 299068, 353444, 373835, 427240, 441805, 504920, 543760, 555412, 598136, 694265, 706888, 747670, 854480, 883610, 971971, 1009840, 1110824, 1196272, 1388530, 1413776, 1495340, 1767220, 1943942, 2221648, 2777060, 2990680, 3534440, 3887884, 4859855, 5554120, 5981360, 7068880, 7775768, 9719710, 11108240, 15551536, 19439420, 38878840, 77757680]

約数ペア:

[(1, 77757680), (2, 38878840), (4, 19439420), (5, 15551536), (7, 11108240), (8, 9719710), (10, 7775768), (11, 7068880), (13, 5981360), (14, 5554120), (16, 4859855), (20, 3887884), (22, 3534440), (26, 2990680), (28, 2777060), (35, 2221648), (40, 1943942), (44, 1767220), (52, 1495340), (55, 1413776), (56, 1388530), (65, 1196272), (70, 1110824), (77, 1009840), (80, 971971), (88, 883610), (91, 854480), (104, 747670), (110, 706888), (112, 694265), (130, 598136), (140, 555412), (143, 543760), (154, 504920), (176, 441805), (182, 427240), (208, 373835), (220, 353444), (260, 299068), (280, 277706), (286, 271880), (308, 252460), (364, 213620), (385, 201968), (440, 176722), (455, 170896), (520, 149534), (560, 138853), (572, 135940), (616, 126230), (715, 108752), (728, 106810), (770, 100984), (880, 88361), (910, 85448), (971, 80080), (1001, 77680), (1040, 74767), (1144, 67970), (1232, 63115), (1430, 54376), (1456, 53405), (1540, 50492), (1820, 42724), (1942, 40040), (2002, 38840), (2288, 33985), (2860, 27188), (3080, 25246), (3640, 21362), (3884, 20020), (4004, 19420), (4855, 16016), (5005, 15536), (5720, 13594), (6160, 12623), (6797, 11440), (7280, 10681), (7768, 10010), (8008, 9710)]