261887184

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:282

約数の個数: 240

約数和(自身を含む): 857584000

約数和(自身を除く): 595696816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 37, 38, 39, 48, 52, 57, 72, 74, 76, 78, 104, 111, 114, 117, 144, 148, 152, 156, 171, 199, 208, 222, 228, 234, 247, 296, 304, 312, 333, 342, 398, 444, 456, 468, 481, 494, 592, 597, 624, 666, 684, 703, 741, 796, 888, 912, 936, 962, 988, 1194, 1332, 1368, 1406, 1443, 1482, 1592, 1776, 1791, 1872, 1924, 1976, 2109, 2223, 2388, 2587, 2664, 2736, 2812, 2886, 2964, 3184, 3582, 3781, 3848, 3952, 4218, 4329, 4446, 4776, 5174, 5328, 5624, 5772, 5928, 6327, 7164, 7363, 7562, 7696, 7761, 8436, 8658, 8892, 9139, 9552, 10348, 11248, 11343, 11544, 11856, 12654, 14328, 14726, 15124, 15522, 16872, 17316, 17784, 18278, 20696, 22089, 22686, 23088, 23283, 25308, 27417, 28656, 29452, 30248, 31044, 33744, 34029, 34632, 35568, 36556, 41392, 44178, 45372, 46566, 49153, 50616, 54834, 58904, 60496, 62088, 66267, 68058, 69264, 73112, 82251, 88356, 90744, 93132, 95719, 98306, 101232, 109668, 117808, 124176, 132534, 136116, 139897, 146224, 147459, 164502, 176712, 181488, 186264, 191438, 196612, 219336, 265068, 272232, 279794, 287157, 294918, 329004, 353424, 372528, 382876, 393224, 419691, 438672, 442377, 530136, 544464, 559588, 574314, 589836, 658008, 765752, 786448, 839382, 861471, 884754, 1060272, 1119176, 1148628, 1179672, 1259073, 1316016, 1531504, 1678764, 1722942, 1769508, 1818661, 2238352, 2297256, 2359344, 2518146, 3357528, 3445884, 3539016, 3637322, 4594512, 5036292, 5455983, 6715056, 6891768, 7078032, 7274644, 10072584, 10911966, 13783536, 14549288, 16367949, 20145168, 21823932, 29098576, 32735898, 43647864, 65471796, 87295728, 130943592, 261887184]

約数ペア:

[(1, 261887184), (2, 130943592), (3, 87295728), (4, 65471796), (6, 43647864), (8, 32735898), (9, 29098576), (12, 21823932), (13, 20145168), (16, 16367949), (18, 14549288), (19, 13783536), (24, 10911966), (26, 10072584), (36, 7274644), (37, 7078032), (38, 6891768), (39, 6715056), (48, 5455983), (52, 5036292), (57, 4594512), (72, 3637322), (74, 3539016), (76, 3445884), (78, 3357528), (104, 2518146), (111, 2359344), (114, 2297256), (117, 2238352), (144, 1818661), (148, 1769508), (152, 1722942), (156, 1678764), (171, 1531504), (199, 1316016), (208, 1259073), (222, 1179672), (228, 1148628), (234, 1119176), (247, 1060272), (296, 884754), (304, 861471), (312, 839382), (333, 786448), (342, 765752), (398, 658008), (444, 589836), (456, 574314), (468, 559588), (481, 544464), (494, 530136), (592, 442377), (597, 438672), (624, 419691), (666, 393224), (684, 382876), (703, 372528), (741, 353424), (796, 329004), (888, 294918), (912, 287157), (936, 279794), (962, 272232), (988, 265068), (1194, 219336), (1332, 196612), (1368, 191438), (1406, 186264), (1443, 181488), (1482, 176712), (1592, 164502), (1776, 147459), (1791, 146224), (1872, 139897), (1924, 136116), (1976, 132534), (2109, 124176), (2223, 117808), (2388, 109668), (2587, 101232), (2664, 98306), (2736, 95719), (2812, 93132), (2886, 90744), (2964, 88356), (3184, 82251), (3582, 73112), (3781, 69264), (3848, 68058), (3952, 66267), (4218, 62088), (4329, 60496), (4446, 58904), (4776, 54834), (5174, 50616), (5328, 49153), (5624, 46566), (5772, 45372), (5928, 44178), (6327, 41392), (7164, 36556), (7363, 35568), (7562, 34632), (7696, 34029), (7761, 33744), (8436, 31044), (8658, 30248), (8892, 29452), (9139, 28656), (9552, 27417), (10348, 25308), (11248, 23283), (11343, 23088), (11544, 22686), (11856, 22089), (12654, 20696), (14328, 18278), (14726, 17784), (15124, 17316), (15522, 16872)]