257566680

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{571}}^1$

素因数の和:774

約数の個数: 192

約数和(自身を含む): 963705600

約数和(自身を除く): 706138920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 56, 60, 63, 70, 72, 84, 90, 105, 120, 126, 140, 168, 179, 180, 210, 252, 280, 315, 358, 360, 420, 504, 537, 571, 630, 716, 840, 895, 1074, 1142, 1253, 1260, 1432, 1611, 1713, 1790, 2148, 2284, 2506, 2520, 2685, 2855, 3222, 3426, 3580, 3759, 3997, 4296, 4568, 5012, 5139, 5370, 5710, 6265, 6444, 6852, 7160, 7518, 7994, 8055, 8565, 10024, 10278, 10740, 11277, 11420, 11991, 12530, 12888, 13704, 15036, 15988, 16110, 17130, 18795, 19985, 20556, 21480, 22554, 22840, 23982, 25060, 25695, 30072, 31976, 32220, 34260, 35973, 37590, 39970, 41112, 45108, 47964, 50120, 51390, 56385, 59955, 64440, 68520, 71946, 75180, 79940, 90216, 95928, 102209, 102780, 112770, 119910, 143892, 150360, 159880, 179865, 204418, 205560, 225540, 239820, 287784, 306627, 359730, 408836, 451080, 479640, 511045, 613254, 715463, 719460, 817672, 919881, 1022090, 1226508, 1430926, 1438920, 1533135, 1839762, 2044180, 2146389, 2453016, 2861852, 3066270, 3577315, 3679524, 4088360, 4292778, 4599405, 5723704, 6132540, 6439167, 7154630, 7359048, 8585556, 9198810, 10731945, 12265080, 12878334, 14309260, 17171112, 18397620, 21463890, 25756668, 28618520, 32195835, 36795240, 42927780, 51513336, 64391670, 85855560, 128783340, 257566680]

約数ペア:

[(1, 257566680), (2, 128783340), (3, 85855560), (4, 64391670), (5, 51513336), (6, 42927780), (7, 36795240), (8, 32195835), (9, 28618520), (10, 25756668), (12, 21463890), (14, 18397620), (15, 17171112), (18, 14309260), (20, 12878334), (21, 12265080), (24, 10731945), (28, 9198810), (30, 8585556), (35, 7359048), (36, 7154630), (40, 6439167), (42, 6132540), (45, 5723704), (56, 4599405), (60, 4292778), (63, 4088360), (70, 3679524), (72, 3577315), (84, 3066270), (90, 2861852), (105, 2453016), (120, 2146389), (126, 2044180), (140, 1839762), (168, 1533135), (179, 1438920), (180, 1430926), (210, 1226508), (252, 1022090), (280, 919881), (315, 817672), (358, 719460), (360, 715463), (420, 613254), (504, 511045), (537, 479640), (571, 451080), (630, 408836), (716, 359730), (840, 306627), (895, 287784), (1074, 239820), (1142, 225540), (1253, 205560), (1260, 204418), (1432, 179865), (1611, 159880), (1713, 150360), (1790, 143892), (2148, 119910), (2284, 112770), (2506, 102780), (2520, 102209), (2685, 95928), (2855, 90216), (3222, 79940), (3426, 75180), (3580, 71946), (3759, 68520), (3997, 64440), (4296, 59955), (4568, 56385), (5012, 51390), (5139, 50120), (5370, 47964), (5710, 45108), (6265, 41112), (6444, 39970), (6852, 37590), (7160, 35973), (7518, 34260), (7994, 32220), (8055, 31976), (8565, 30072), (10024, 25695), (10278, 25060), (10740, 23982), (11277, 22840), (11420, 22554), (11991, 21480), (12530, 20556), (12888, 19985), (13704, 18795), (15036, 17130), (15988, 16110)]