254050020

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1$

素因数の和:592

約数の個数: 240

約数和(自身を含む): 933787008

約数和(自身を除く): 679736988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 43, 45, 54, 60, 63, 70, 81, 84, 86, 90, 105, 108, 126, 129, 135, 140, 162, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 324, 378, 387, 405, 420, 430, 516, 521, 540, 567, 602, 630, 645, 756, 774, 810, 860, 903, 945, 1042, 1134, 1161, 1204, 1260, 1290, 1505, 1548, 1563, 1620, 1806, 1890, 1935, 2084, 2268, 2322, 2580, 2605, 2709, 2835, 3010, 3126, 3483, 3612, 3647, 3780, 3870, 4515, 4644, 4689, 5210, 5418, 5670, 5805, 6020, 6252, 6966, 7294, 7740, 7815, 8127, 9030, 9378, 10420, 10836, 10941, 11340, 11610, 13545, 13932, 14067, 14588, 15630, 16254, 17415, 18060, 18235, 18756, 21882, 22403, 23220, 23445, 24381, 27090, 28134, 31260, 32508, 32823, 34830, 36470, 40635, 42201, 43764, 44806, 46890, 48762, 54180, 54705, 56268, 65646, 67209, 69660, 70335, 72940, 81270, 84402, 89612, 93780, 97524, 98469, 109410, 112015, 121905, 131292, 134418, 140670, 156821, 162540, 164115, 168804, 196938, 201627, 211005, 218820, 224030, 243810, 268836, 281340, 295407, 313642, 328230, 336045, 393876, 403254, 422010, 448060, 470463, 487620, 492345, 590814, 604881, 627284, 656460, 672090, 784105, 806508, 844020, 940926, 984690, 1008135, 1181628, 1209762, 1344180, 1411389, 1477035, 1568210, 1814643, 1881852, 1969380, 2016270, 2352315, 2419524, 2822778, 2954070, 3024405, 3136420, 3629286, 4032540, 4234167, 4704630, 5645556, 5908140, 6048810, 7056945, 7258572, 8468334, 9073215, 9409260, 12097620, 12702501, 14113890, 16936668, 18146430, 21170835, 25405002, 28227780, 36292860, 42341670, 50810004, 63512505, 84683340, 127025010, 254050020]

約数ペア:

[(1, 254050020), (2, 127025010), (3, 84683340), (4, 63512505), (5, 50810004), (6, 42341670), (7, 36292860), (9, 28227780), (10, 25405002), (12, 21170835), (14, 18146430), (15, 16936668), (18, 14113890), (20, 12702501), (21, 12097620), (27, 9409260), (28, 9073215), (30, 8468334), (35, 7258572), (36, 7056945), (42, 6048810), (43, 5908140), (45, 5645556), (54, 4704630), (60, 4234167), (63, 4032540), (70, 3629286), (81, 3136420), (84, 3024405), (86, 2954070), (90, 2822778), (105, 2419524), (108, 2352315), (126, 2016270), (129, 1969380), (135, 1881852), (140, 1814643), (162, 1568210), (172, 1477035), (180, 1411389), (189, 1344180), (210, 1209762), (215, 1181628), (252, 1008135), (258, 984690), (270, 940926), (301, 844020), (315, 806508), (324, 784105), (378, 672090), (387, 656460), (405, 627284), (420, 604881), (430, 590814), (516, 492345), (521, 487620), (540, 470463), (567, 448060), (602, 422010), (630, 403254), (645, 393876), (756, 336045), (774, 328230), (810, 313642), (860, 295407), (903, 281340), (945, 268836), (1042, 243810), (1134, 224030), (1161, 218820), (1204, 211005), (1260, 201627), (1290, 196938), (1505, 168804), (1548, 164115), (1563, 162540), (1620, 156821), (1806, 140670), (1890, 134418), (1935, 131292), (2084, 121905), (2268, 112015), (2322, 109410), (2580, 98469), (2605, 97524), (2709, 93780), (2835, 89612), (3010, 84402), (3126, 81270), (3483, 72940), (3612, 70335), (3647, 69660), (3780, 67209), (3870, 65646), (4515, 56268), (4644, 54705), (4689, 54180), (5210, 48762), (5418, 46890), (5670, 44806), (5805, 43764), (6020, 42201), (6252, 40635), (6966, 36470), (7294, 34830), (7740, 32823), (7815, 32508), (8127, 31260), (9030, 28134), (9378, 27090), (10420, 24381), (10836, 23445), (10941, 23220), (11340, 22403), (11610, 21882), (13545, 18756), (13932, 18235), (14067, 18060), (14588, 17415), (15630, 16254)]