261415440

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2539}}^1$

素因数の和:2582

約数の個数: 240

約数和(自身を含む): 1031808960

約数和(自身を除く): 770393520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 48, 52, 55, 60, 65, 66, 72, 78, 80, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 144, 156, 165, 176, 180, 195, 198, 208, 220, 234, 240, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 528, 572, 585, 624, 660, 715, 720, 780, 792, 858, 880, 936, 990, 1040, 1144, 1170, 1287, 1320, 1430, 1560, 1584, 1716, 1872, 1980, 2145, 2288, 2340, 2539, 2574, 2640, 2860, 3120, 3432, 3960, 4290, 4680, 5078, 5148, 5720, 6435, 6864, 7617, 7920, 8580, 9360, 10156, 10296, 11440, 12695, 12870, 15234, 17160, 20312, 20592, 22851, 25390, 25740, 27929, 30468, 33007, 34320, 38085, 40624, 45702, 50780, 51480, 55858, 60936, 66014, 76170, 83787, 91404, 99021, 101560, 102960, 111716, 114255, 121872, 132028, 139645, 152340, 165035, 167574, 182808, 198042, 203120, 223432, 228510, 251361, 264056, 279290, 297063, 304680, 330070, 335148, 363077, 365616, 396084, 418935, 446864, 457020, 495105, 502722, 528112, 558580, 594126, 609360, 660140, 670296, 726154, 792168, 837870, 914040, 990210, 1005444, 1089231, 1117160, 1188252, 1256805, 1320280, 1340592, 1452308, 1485315, 1584336, 1675740, 1815385, 1828080, 1980420, 2010888, 2178462, 2234320, 2376504, 2513610, 2640560, 2904616, 2970630, 3267693, 3351480, 3630770, 3960840, 4021776, 4356924, 4753008, 5027220, 5446155, 5809232, 5941260, 6535386, 6702960, 7261540, 7921680, 8713848, 10054440, 10892310, 11882520, 13070772, 14523080, 16338465, 17427696, 20108880, 21784620, 23765040, 26141544, 29046160, 32676930, 43569240, 52283088, 65353860, 87138480, 130707720, 261415440]

約数ペア:

[(1, 261415440), (2, 130707720), (3, 87138480), (4, 65353860), (5, 52283088), (6, 43569240), (8, 32676930), (9, 29046160), (10, 26141544), (11, 23765040), (12, 21784620), (13, 20108880), (15, 17427696), (16, 16338465), (18, 14523080), (20, 13070772), (22, 11882520), (24, 10892310), (26, 10054440), (30, 8713848), (33, 7921680), (36, 7261540), (39, 6702960), (40, 6535386), (44, 5941260), (45, 5809232), (48, 5446155), (52, 5027220), (55, 4753008), (60, 4356924), (65, 4021776), (66, 3960840), (72, 3630770), (78, 3351480), (80, 3267693), (88, 2970630), (90, 2904616), (99, 2640560), (104, 2513610), (110, 2376504), (117, 2234320), (120, 2178462), (130, 2010888), (132, 1980420), (143, 1828080), (144, 1815385), (156, 1675740), (165, 1584336), (176, 1485315), (180, 1452308), (195, 1340592), (198, 1320280), (208, 1256805), (220, 1188252), (234, 1117160), (240, 1089231), (260, 1005444), (264, 990210), (286, 914040), (312, 837870), (330, 792168), (360, 726154), (390, 670296), (396, 660140), (429, 609360), (440, 594126), (468, 558580), (495, 528112), (520, 502722), (528, 495105), (572, 457020), (585, 446864), (624, 418935), (660, 396084), (715, 365616), (720, 363077), (780, 335148), (792, 330070), (858, 304680), (880, 297063), (936, 279290), (990, 264056), (1040, 251361), (1144, 228510), (1170, 223432), (1287, 203120), (1320, 198042), (1430, 182808), (1560, 167574), (1584, 165035), (1716, 152340), (1872, 139645), (1980, 132028), (2145, 121872), (2288, 114255), (2340, 111716), (2539, 102960), (2574, 101560), (2640, 99021), (2860, 91404), (3120, 83787), (3432, 76170), (3960, 66014), (4290, 60936), (4680, 55858), (5078, 51480), (5148, 50780), (5720, 45702), (6435, 40624), (6864, 38085), (7617, 34320), (7920, 33007), (8580, 30468), (9360, 27929), (10156, 25740), (10296, 25390), (11440, 22851), (12695, 20592), (12870, 20312), (15234, 17160)]