257282460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 192

約数和(自身を含む): 837580800

約数和(自身を除く): 580298340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 37, 45, 54, 60, 74, 79, 90, 108, 111, 135, 148, 158, 163, 180, 185, 222, 237, 270, 316, 326, 333, 370, 395, 444, 474, 489, 540, 555, 652, 666, 711, 740, 790, 815, 948, 978, 999, 1110, 1185, 1332, 1422, 1467, 1580, 1630, 1665, 1956, 1998, 2133, 2220, 2370, 2445, 2844, 2923, 2934, 3260, 3330, 3555, 3996, 4266, 4401, 4740, 4890, 4995, 5846, 5868, 6031, 6660, 7110, 7335, 8532, 8769, 8802, 9780, 9990, 10665, 11692, 12062, 12877, 14220, 14615, 14670, 17538, 17604, 18093, 19980, 21330, 22005, 24124, 25754, 26307, 29230, 29340, 30155, 35076, 36186, 38631, 42660, 43845, 44010, 51508, 52614, 54279, 58460, 60310, 64385, 72372, 77262, 78921, 87690, 88020, 90465, 105228, 108558, 115893, 120620, 128770, 131535, 154524, 157842, 162837, 175380, 180930, 193155, 217116, 231786, 257540, 263070, 271395, 315684, 325674, 347679, 361860, 386310, 394605, 463572, 476449, 526140, 542790, 579465, 651348, 695358, 772620, 789210, 814185, 952898, 1085580, 1158930, 1390716, 1429347, 1578420, 1628370, 1738395, 1905796, 2317860, 2382245, 2858694, 3256740, 3476790, 4288041, 4764490, 5717388, 6953580, 7146735, 8576082, 9528980, 12864123, 14293470, 17152164, 21440205, 25728246, 28586940, 42880410, 51456492, 64320615, 85760820, 128641230, 257282460]

約数ペア:

[(1, 257282460), (2, 128641230), (3, 85760820), (4, 64320615), (5, 51456492), (6, 42880410), (9, 28586940), (10, 25728246), (12, 21440205), (15, 17152164), (18, 14293470), (20, 12864123), (27, 9528980), (30, 8576082), (36, 7146735), (37, 6953580), (45, 5717388), (54, 4764490), (60, 4288041), (74, 3476790), (79, 3256740), (90, 2858694), (108, 2382245), (111, 2317860), (135, 1905796), (148, 1738395), (158, 1628370), (163, 1578420), (180, 1429347), (185, 1390716), (222, 1158930), (237, 1085580), (270, 952898), (316, 814185), (326, 789210), (333, 772620), (370, 695358), (395, 651348), (444, 579465), (474, 542790), (489, 526140), (540, 476449), (555, 463572), (652, 394605), (666, 386310), (711, 361860), (740, 347679), (790, 325674), (815, 315684), (948, 271395), (978, 263070), (999, 257540), (1110, 231786), (1185, 217116), (1332, 193155), (1422, 180930), (1467, 175380), (1580, 162837), (1630, 157842), (1665, 154524), (1956, 131535), (1998, 128770), (2133, 120620), (2220, 115893), (2370, 108558), (2445, 105228), (2844, 90465), (2923, 88020), (2934, 87690), (3260, 78921), (3330, 77262), (3555, 72372), (3996, 64385), (4266, 60310), (4401, 58460), (4740, 54279), (4890, 52614), (4995, 51508), (5846, 44010), (5868, 43845), (6031, 42660), (6660, 38631), (7110, 36186), (7335, 35076), (8532, 30155), (8769, 29340), (8802, 29230), (9780, 26307), (9990, 25754), (10665, 24124), (11692, 22005), (12062, 21330), (12877, 19980), (14220, 18093), (14615, 17604), (14670, 17538)]