206719920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:680

約数の個数: 240

約数和(自身を含む): 776236032

約数和(自身を除く): 569516112

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 43, 44, 45, 48, 55, 60, 66, 72, 80, 86, 88, 90, 99, 110, 120, 129, 132, 144, 165, 172, 176, 180, 198, 215, 220, 240, 258, 264, 330, 344, 360, 387, 396, 430, 440, 473, 495, 516, 528, 607, 645, 660, 688, 720, 774, 792, 860, 880, 946, 990, 1032, 1214, 1290, 1320, 1419, 1548, 1584, 1720, 1821, 1892, 1935, 1980, 2064, 2365, 2428, 2580, 2640, 2838, 3035, 3096, 3440, 3642, 3784, 3870, 3960, 4257, 4730, 4856, 5160, 5463, 5676, 6070, 6192, 6677, 7095, 7284, 7568, 7740, 7920, 8514, 9105, 9460, 9712, 10320, 10926, 11352, 12140, 13354, 14190, 14568, 15480, 17028, 18210, 18920, 20031, 21285, 21852, 22704, 24280, 26101, 26708, 27315, 28380, 29136, 30960, 33385, 34056, 36420, 37840, 40062, 42570, 43704, 48560, 52202, 53416, 54630, 56760, 60093, 66770, 68112, 72840, 78303, 80124, 85140, 87408, 100155, 104404, 106832, 109260, 113520, 120186, 130505, 133540, 145680, 156606, 160248, 170280, 200310, 208808, 218520, 234909, 240372, 261010, 267080, 287111, 300465, 313212, 320496, 340560, 391515, 400620, 417616, 437040, 469818, 480744, 522020, 534160, 574222, 600930, 626424, 783030, 801240, 861333, 939636, 961488, 1044040, 1148444, 1174545, 1201860, 1252848, 1435555, 1566060, 1602480, 1722666, 1879272, 2088080, 2296888, 2349090, 2403720, 2583999, 2871110, 3132120, 3445332, 3758544, 4306665, 4593776, 4698180, 4807440, 5167998, 5742220, 6264240, 6890664, 8613330, 9396360, 10335996, 11484440, 12919995, 13781328, 17226660, 18792720, 20671992, 22968880, 25839990, 34453320, 41343984, 51679980, 68906640, 103359960, 206719920]

約数ペア:

[(1, 206719920), (2, 103359960), (3, 68906640), (4, 51679980), (5, 41343984), (6, 34453320), (8, 25839990), (9, 22968880), (10, 20671992), (11, 18792720), (12, 17226660), (15, 13781328), (16, 12919995), (18, 11484440), (20, 10335996), (22, 9396360), (24, 8613330), (30, 6890664), (33, 6264240), (36, 5742220), (40, 5167998), (43, 4807440), (44, 4698180), (45, 4593776), (48, 4306665), (55, 3758544), (60, 3445332), (66, 3132120), (72, 2871110), (80, 2583999), (86, 2403720), (88, 2349090), (90, 2296888), (99, 2088080), (110, 1879272), (120, 1722666), (129, 1602480), (132, 1566060), (144, 1435555), (165, 1252848), (172, 1201860), (176, 1174545), (180, 1148444), (198, 1044040), (215, 961488), (220, 939636), (240, 861333), (258, 801240), (264, 783030), (330, 626424), (344, 600930), (360, 574222), (387, 534160), (396, 522020), (430, 480744), (440, 469818), (473, 437040), (495, 417616), (516, 400620), (528, 391515), (607, 340560), (645, 320496), (660, 313212), (688, 300465), (720, 287111), (774, 267080), (792, 261010), (860, 240372), (880, 234909), (946, 218520), (990, 208808), (1032, 200310), (1214, 170280), (1290, 160248), (1320, 156606), (1419, 145680), (1548, 133540), (1584, 130505), (1720, 120186), (1821, 113520), (1892, 109260), (1935, 106832), (1980, 104404), (2064, 100155), (2365, 87408), (2428, 85140), (2580, 80124), (2640, 78303), (2838, 72840), (3035, 68112), (3096, 66770), (3440, 60093), (3642, 56760), (3784, 54630), (3870, 53416), (3960, 52202), (4257, 48560), (4730, 43704), (4856, 42570), (5160, 40062), (5463, 37840), (5676, 36420), (6070, 34056), (6192, 33385), (6677, 30960), (7095, 29136), (7284, 28380), (7568, 27315), (7740, 26708), (7920, 26101), (8514, 24280), (9105, 22704), (9460, 21852), (9712, 21285), (10320, 20031), (10926, 18920), (11352, 18210), (12140, 17028), (13354, 15480), (14190, 14568)]