1287828720

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{353}}^1\times {\mathrm{563}}^1$

素因数の和:941

約数の個数: 200

約数和(自身を含む): 4493457936

約数和(自身を除く): 3205629216

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 353, 360, 405, 432, 540, 563, 648, 706, 720, 810, 1059, 1080, 1126, 1296, 1412, 1620, 1689, 1765, 2118, 2160, 2252, 2815, 2824, 3177, 3240, 3378, 3530, 4236, 4504, 5067, 5295, 5630, 5648, 6354, 6480, 6756, 7060, 8445, 8472, 9008, 9531, 10134, 10590, 11260, 12708, 13512, 14120, 15201, 15885, 16890, 16944, 19062, 20268, 21180, 22520, 25335, 25416, 27024, 28240, 28593, 30402, 31770, 33780, 38124, 40536, 42360, 45040, 45603, 47655, 50670, 50832, 57186, 60804, 63540, 67560, 76005, 76248, 81072, 84720, 91206, 95310, 101340, 114372, 121608, 127080, 135120, 142965, 152010, 152496, 182412, 190620, 198739, 202680, 228015, 228744, 243216, 254160, 285930, 304020, 364824, 381240, 397478, 405360, 456030, 457488, 571860, 596217, 608040, 729648, 762480, 794956, 912060, 993695, 1143720, 1192434, 1216080, 1589912, 1788651, 1824120, 1987390, 2287440, 2384868, 2981085, 3179824, 3577302, 3648240, 3974780, 4769736, 5365953, 5962170, 7154604, 7949560, 8943255, 9539472, 10731906, 11924340, 14309208, 15899120, 16097859, 17886510, 21463812, 23848680, 26829765, 28618416, 32195718, 35773020, 42927624, 47697360, 53659530, 64391436, 71546040, 80489295, 85855248, 107319060, 128782872, 143092080, 160978590, 214638120, 257565744, 321957180, 429276240, 643914360, 1287828720]

約数ペア:

[(1, 1287828720), (2, 643914360), (3, 429276240), (4, 321957180), (5, 257565744), (6, 214638120), (8, 160978590), (9, 143092080), (10, 128782872), (12, 107319060), (15, 85855248), (16, 80489295), (18, 71546040), (20, 64391436), (24, 53659530), (27, 47697360), (30, 42927624), (36, 35773020), (40, 32195718), (45, 28618416), (48, 26829765), (54, 23848680), (60, 21463812), (72, 17886510), (80, 16097859), (81, 15899120), (90, 14309208), (108, 11924340), (120, 10731906), (135, 9539472), (144, 8943255), (162, 7949560), (180, 7154604), (216, 5962170), (240, 5365953), (270, 4769736), (324, 3974780), (353, 3648240), (360, 3577302), (405, 3179824), (432, 2981085), (540, 2384868), (563, 2287440), (648, 1987390), (706, 1824120), (720, 1788651), (810, 1589912), (1059, 1216080), (1080, 1192434), (1126, 1143720), (1296, 993695), (1412, 912060), (1620, 794956), (1689, 762480), (1765, 729648), (2118, 608040), (2160, 596217), (2252, 571860), (2815, 457488), (2824, 456030), (3177, 405360), (3240, 397478), (3378, 381240), (3530, 364824), (4236, 304020), (4504, 285930), (5067, 254160), (5295, 243216), (5630, 228744), (5648, 228015), (6354, 202680), (6480, 198739), (6756, 190620), (7060, 182412), (8445, 152496), (8472, 152010), (9008, 142965), (9531, 135120), (10134, 127080), (10590, 121608), (11260, 114372), (12708, 101340), (13512, 95310), (14120, 91206), (15201, 84720), (15885, 81072), (16890, 76248), (16944, 76005), (19062, 67560), (20268, 63540), (21180, 60804), (22520, 57186), (25335, 50832), (25416, 50670), (27024, 47655), (28240, 45603), (28593, 45040), (30402, 42360), (31770, 40536), (33780, 38124)]