51401340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:316

約数の個数: 144

約数和(自身を含む): 165765600

約数和(自身を除く): 114364260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 43, 45, 58, 60, 86, 87, 90, 116, 129, 145, 172, 174, 180, 215, 229, 258, 261, 290, 348, 387, 430, 435, 458, 516, 522, 580, 645, 687, 774, 860, 870, 916, 1044, 1145, 1247, 1290, 1305, 1374, 1548, 1740, 1935, 2061, 2290, 2494, 2580, 2610, 2748, 3435, 3741, 3870, 4122, 4580, 4988, 5220, 6235, 6641, 6870, 7482, 7740, 8244, 9847, 10305, 11223, 12470, 13282, 13740, 14964, 18705, 19694, 19923, 20610, 22446, 24940, 26564, 29541, 33205, 37410, 39388, 39846, 41220, 44892, 49235, 56115, 59082, 59769, 66410, 74820, 79692, 88623, 98470, 99615, 112230, 118164, 119538, 132820, 147705, 177246, 196940, 199230, 224460, 239076, 285563, 295410, 298845, 354492, 398460, 443115, 571126, 590820, 597690, 856689, 886230, 1142252, 1195380, 1427815, 1713378, 1772460, 2570067, 2855630, 3426756, 4283445, 5140134, 5711260, 8566890, 10280268, 12850335, 17133780, 25700670, 51401340]

約数ペア:

[(1, 51401340), (2, 25700670), (3, 17133780), (4, 12850335), (5, 10280268), (6, 8566890), (9, 5711260), (10, 5140134), (12, 4283445), (15, 3426756), (18, 2855630), (20, 2570067), (29, 1772460), (30, 1713378), (36, 1427815), (43, 1195380), (45, 1142252), (58, 886230), (60, 856689), (86, 597690), (87, 590820), (90, 571126), (116, 443115), (129, 398460), (145, 354492), (172, 298845), (174, 295410), (180, 285563), (215, 239076), (229, 224460), (258, 199230), (261, 196940), (290, 177246), (348, 147705), (387, 132820), (430, 119538), (435, 118164), (458, 112230), (516, 99615), (522, 98470), (580, 88623), (645, 79692), (687, 74820), (774, 66410), (860, 59769), (870, 59082), (916, 56115), (1044, 49235), (1145, 44892), (1247, 41220), (1290, 39846), (1305, 39388), (1374, 37410), (1548, 33205), (1740, 29541), (1935, 26564), (2061, 24940), (2290, 22446), (2494, 20610), (2580, 19923), (2610, 19694), (2748, 18705), (3435, 14964), (3741, 13740), (3870, 13282), (4122, 12470), (4580, 11223), (4988, 10305), (5220, 9847), (6235, 8244), (6641, 7740), (6870, 7482)]