172780020

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1063}}^1$

素因数の和:1131

約数の個数: 192

約数和(自身を含む): 629207040

約数和(自身を除く): 456427020

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, 84, 86, 90, 105, 108, 126, 129, 135, 140, 172, 180, 189, 210, 215, 252, 258, 270, 301, 315, 378, 387, 420, 430, 516, 540, 602, 630, 645, 756, 774, 860, 903, 945, 1063, 1161, 1204, 1260, 1290, 1505, 1548, 1806, 1890, 1935, 2126, 2322, 2580, 2709, 3010, 3189, 3612, 3780, 3870, 4252, 4515, 4644, 5315, 5418, 5805, 6020, 6378, 7441, 7740, 8127, 9030, 9567, 10630, 10836, 11610, 12756, 13545, 14882, 15945, 16254, 18060, 19134, 21260, 22323, 23220, 27090, 28701, 29764, 31890, 32508, 37205, 38268, 40635, 44646, 45709, 47835, 54180, 57402, 63780, 66969, 74410, 81270, 89292, 91418, 95670, 111615, 114804, 133938, 137127, 143505, 148820, 162540, 182836, 191340, 200907, 223230, 228545, 267876, 274254, 287010, 319963, 334845, 401814, 411381, 446460, 457090, 548508, 574020, 639926, 669690, 685635, 803628, 822762, 914180, 959889, 1004535, 1234143, 1279852, 1339380, 1371270, 1599815, 1645524, 1919778, 2009070, 2056905, 2468286, 2742540, 2879667, 3199630, 3839556, 4018140, 4113810, 4799445, 4936572, 5759334, 6170715, 6399260, 8227620, 8639001, 9598890, 11518668, 12341430, 14398335, 17278002, 19197780, 24682860, 28796670, 34556004, 43195005, 57593340, 86390010, 172780020]

約数ペア:

[(1, 172780020), (2, 86390010), (3, 57593340), (4, 43195005), (5, 34556004), (6, 28796670), (7, 24682860), (9, 19197780), (10, 17278002), (12, 14398335), (14, 12341430), (15, 11518668), (18, 9598890), (20, 8639001), (21, 8227620), (27, 6399260), (28, 6170715), (30, 5759334), (35, 4936572), (36, 4799445), (42, 4113810), (43, 4018140), (45, 3839556), (54, 3199630), (60, 2879667), (63, 2742540), (70, 2468286), (84, 2056905), (86, 2009070), (90, 1919778), (105, 1645524), (108, 1599815), (126, 1371270), (129, 1339380), (135, 1279852), (140, 1234143), (172, 1004535), (180, 959889), (189, 914180), (210, 822762), (215, 803628), (252, 685635), (258, 669690), (270, 639926), (301, 574020), (315, 548508), (378, 457090), (387, 446460), (420, 411381), (430, 401814), (516, 334845), (540, 319963), (602, 287010), (630, 274254), (645, 267876), (756, 228545), (774, 223230), (860, 200907), (903, 191340), (945, 182836), (1063, 162540), (1161, 148820), (1204, 143505), (1260, 137127), (1290, 133938), (1505, 114804), (1548, 111615), (1806, 95670), (1890, 91418), (1935, 89292), (2126, 81270), (2322, 74410), (2580, 66969), (2709, 63780), (3010, 57402), (3189, 54180), (3612, 47835), (3780, 45709), (3870, 44646), (4252, 40635), (4515, 38268), (4644, 37205), (5315, 32508), (5418, 31890), (5805, 29764), (6020, 28701), (6378, 27090), (7441, 23220), (7740, 22323), (8127, 21260), (9030, 19134), (9567, 18060), (10630, 16254), (10836, 15945), (11610, 14882), (12756, 13545)]