1687238280

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{51503}}^1$

素因数の和:51540

約数の個数: 192

約数和(自身を含む): 6749084160

約数和(自身を除く): 5061845880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 52, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 117, 120, 126, 130, 140, 156, 168, 180, 182, 195, 210, 234, 252, 260, 273, 280, 312, 315, 360, 364, 390, 420, 455, 468, 504, 520, 546, 585, 630, 728, 780, 819, 840, 910, 936, 1092, 1170, 1260, 1365, 1560, 1638, 1820, 2184, 2340, 2520, 2730, 3276, 3640, 4095, 4680, 5460, 6552, 8190, 10920, 16380, 32760, 51503, 103006, 154509, 206012, 257515, 309018, 360521, 412024, 463527, 515030, 618036, 669539, 721042, 772545, 927054, 1030060, 1081563, 1236072, 1339078, 1442084, 1545090, 1802605, 1854108, 2008617, 2060120, 2163126, 2317635, 2678156, 2884168, 3090180, 3244689, 3347695, 3605210, 3708216, 4017234, 4326252, 4635270, 4686773, 5356312, 5407815, 6025851, 6180360, 6489378, 6695390, 7210420, 8034468, 8652504, 9270540, 9373546, 10043085, 10815630, 12051702, 12978756, 13390780, 14060319, 14420840, 16068936, 16223445, 18541080, 18747092, 20086170, 21631260, 23433865, 24103404, 25957512, 26781560, 28120638, 30129255, 32446890, 37494184, 40172340, 42180957, 43262520, 46867730, 48206808, 56241276, 60258510, 64893780, 70301595, 80344680, 84361914, 93735460, 112482552, 120517020, 129787560, 140603190, 168723828, 187470920, 210904785, 241034040, 281206380, 337447656, 421809570, 562412760, 843619140, 1687238280]

約数ペア:

[(1, 1687238280), (2, 843619140), (3, 562412760), (4, 421809570), (5, 337447656), (6, 281206380), (7, 241034040), (8, 210904785), (9, 187470920), (10, 168723828), (12, 140603190), (13, 129787560), (14, 120517020), (15, 112482552), (18, 93735460), (20, 84361914), (21, 80344680), (24, 70301595), (26, 64893780), (28, 60258510), (30, 56241276), (35, 48206808), (36, 46867730), (39, 43262520), (40, 42180957), (42, 40172340), (45, 37494184), (52, 32446890), (56, 30129255), (60, 28120638), (63, 26781560), (65, 25957512), (70, 24103404), (72, 23433865), (78, 21631260), (84, 20086170), (90, 18747092), (91, 18541080), (104, 16223445), (105, 16068936), (117, 14420840), (120, 14060319), (126, 13390780), (130, 12978756), (140, 12051702), (156, 10815630), (168, 10043085), (180, 9373546), (182, 9270540), (195, 8652504), (210, 8034468), (234, 7210420), (252, 6695390), (260, 6489378), (273, 6180360), (280, 6025851), (312, 5407815), (315, 5356312), (360, 4686773), (364, 4635270), (390, 4326252), (420, 4017234), (455, 3708216), (468, 3605210), (504, 3347695), (520, 3244689), (546, 3090180), (585, 2884168), (630, 2678156), (728, 2317635), (780, 2163126), (819, 2060120), (840, 2008617), (910, 1854108), (936, 1802605), (1092, 1545090), (1170, 1442084), (1260, 1339078), (1365, 1236072), (1560, 1081563), (1638, 1030060), (1820, 927054), (2184, 772545), (2340, 721042), (2520, 669539), (2730, 618036), (3276, 515030), (3640, 463527), (4095, 412024), (4680, 360521), (5460, 309018), (6552, 257515), (8190, 206012), (10920, 154509), (16380, 103006), (32760, 51503)]