257810580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{163}}^1$

素因数の和:311

約数の個数: 192

約数和(自身を含む): 843091200

約数和(自身を除く): 585280620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 87, 90, 101, 108, 116, 135, 145, 163, 174, 180, 202, 261, 270, 290, 303, 326, 348, 404, 435, 489, 505, 522, 540, 580, 606, 652, 783, 815, 870, 909, 978, 1010, 1044, 1212, 1305, 1467, 1515, 1566, 1630, 1740, 1818, 1956, 2020, 2445, 2610, 2727, 2929, 2934, 3030, 3132, 3260, 3636, 3915, 4401, 4545, 4727, 4890, 5220, 5454, 5858, 5868, 6060, 7335, 7830, 8787, 8802, 9090, 9454, 9780, 10908, 11716, 13635, 14181, 14645, 14670, 15660, 16463, 17574, 17604, 18180, 18908, 22005, 23635, 26361, 27270, 28362, 29290, 29340, 32926, 35148, 42543, 43935, 44010, 47270, 49389, 52722, 54540, 56724, 58580, 65852, 70905, 79083, 82315, 85086, 87870, 88020, 94540, 98778, 105444, 127629, 131805, 141810, 148167, 158166, 164630, 170172, 175740, 197556, 212715, 246945, 255258, 263610, 283620, 296334, 316332, 329260, 395415, 425430, 444501, 477427, 493890, 510516, 527220, 592668, 638145, 740835, 790830, 850860, 889002, 954854, 987780, 1276290, 1432281, 1481670, 1581660, 1778004, 1909708, 2222505, 2387135, 2552580, 2864562, 2963340, 4296843, 4445010, 4774270, 5729124, 7161405, 8593686, 8890020, 9548540, 12890529, 14322810, 17187372, 21484215, 25781058, 28645620, 42968430, 51562116, 64452645, 85936860, 128905290, 257810580]

約数ペア:

[(1, 257810580), (2, 128905290), (3, 85936860), (4, 64452645), (5, 51562116), (6, 42968430), (9, 28645620), (10, 25781058), (12, 21484215), (15, 17187372), (18, 14322810), (20, 12890529), (27, 9548540), (29, 8890020), (30, 8593686), (36, 7161405), (45, 5729124), (54, 4774270), (58, 4445010), (60, 4296843), (87, 2963340), (90, 2864562), (101, 2552580), (108, 2387135), (116, 2222505), (135, 1909708), (145, 1778004), (163, 1581660), (174, 1481670), (180, 1432281), (202, 1276290), (261, 987780), (270, 954854), (290, 889002), (303, 850860), (326, 790830), (348, 740835), (404, 638145), (435, 592668), (489, 527220), (505, 510516), (522, 493890), (540, 477427), (580, 444501), (606, 425430), (652, 395415), (783, 329260), (815, 316332), (870, 296334), (909, 283620), (978, 263610), (1010, 255258), (1044, 246945), (1212, 212715), (1305, 197556), (1467, 175740), (1515, 170172), (1566, 164630), (1630, 158166), (1740, 148167), (1818, 141810), (1956, 131805), (2020, 127629), (2445, 105444), (2610, 98778), (2727, 94540), (2929, 88020), (2934, 87870), (3030, 85086), (3132, 82315), (3260, 79083), (3636, 70905), (3915, 65852), (4401, 58580), (4545, 56724), (4727, 54540), (4890, 52722), (5220, 49389), (5454, 47270), (5858, 44010), (5868, 43935), (6060, 42543), (7335, 35148), (7830, 32926), (8787, 29340), (8802, 29290), (9090, 28362), (9454, 27270), (9780, 26361), (10908, 23635), (11716, 22005), (13635, 18908), (14181, 18180), (14645, 17604), (14670, 17574), (15660, 16463)]