1278841740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:253

約数の個数: 288

約数和(自身を含む): 4232847360

約数和(自身を除く): 2954005620

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 73, 76, 95, 110, 114, 121, 127, 132, 146, 165, 190, 209, 219, 220, 228, 242, 254, 285, 292, 330, 363, 365, 380, 381, 418, 438, 484, 508, 570, 605, 627, 635, 660, 726, 730, 762, 803, 836, 876, 1045, 1095, 1140, 1210, 1254, 1270, 1387, 1397, 1452, 1460, 1524, 1606, 1815, 1905, 2090, 2190, 2299, 2409, 2413, 2420, 2508, 2540, 2774, 2794, 3135, 3212, 3630, 3810, 4015, 4161, 4180, 4191, 4380, 4598, 4818, 4826, 5548, 5588, 6270, 6897, 6935, 6985, 7239, 7260, 7620, 8030, 8322, 8382, 8833, 9196, 9271, 9636, 9652, 11495, 12045, 12065, 12540, 13794, 13870, 13970, 14478, 15257, 15367, 16060, 16644, 16764, 17666, 18542, 20805, 20955, 22990, 24090, 24130, 26499, 26543, 27588, 27740, 27813, 27940, 28956, 30514, 30734, 34485, 35332, 36195, 37084, 41610, 41910, 44165, 45771, 45980, 46101, 46355, 48180, 48260, 52998, 53086, 55626, 61028, 61468, 68970, 72390, 76285, 76835, 79629, 83220, 83820, 88330, 91542, 92202, 92710, 101981, 105996, 106172, 111252, 132495, 132715, 137940, 139065, 144780, 152570, 153670, 159258, 167827, 176149, 176660, 183084, 184404, 185420, 203962, 228855, 230505, 264990, 265430, 278130, 291973, 305140, 305943, 307340, 318516, 335654, 352298, 398145, 407924, 457710, 461010, 503481, 509905, 528447, 529980, 530860, 556260, 583946, 611886, 671308, 704596, 796290, 839135, 875919, 880745, 915420, 922020, 1006962, 1019810, 1056894, 1121791, 1167892, 1223772, 1459865, 1529715, 1592580, 1678270, 1751838, 1761490, 1937639, 2013924, 2039620, 2113788, 2243582, 2517405, 2642235, 2919730, 3059430, 3356540, 3365373, 3503676, 3522980, 3875278, 4379595, 4487164, 5034810, 5284470, 5608955, 5812917, 5839460, 6118860, 6730746, 7750556, 8759190, 9688195, 10069620, 10568940, 11217910, 11625834, 13461492, 16826865, 17518380, 19376390, 21314029, 22435820, 23251668, 29064585, 33653730, 38752780, 42628058, 58129170, 63942087, 67307460, 85256116, 106570145, 116258340, 127884174, 213140290, 255768348, 319710435, 426280580, 639420870, 1278841740]

約数ペア:

[(1, 1278841740), (2, 639420870), (3, 426280580), (4, 319710435), (5, 255768348), (6, 213140290), (10, 127884174), (11, 116258340), (12, 106570145), (15, 85256116), (19, 67307460), (20, 63942087), (22, 58129170), (30, 42628058), (33, 38752780), (38, 33653730), (44, 29064585), (55, 23251668), (57, 22435820), (60, 21314029), (66, 19376390), (73, 17518380), (76, 16826865), (95, 13461492), (110, 11625834), (114, 11217910), (121, 10568940), (127, 10069620), (132, 9688195), (146, 8759190), (165, 7750556), (190, 6730746), (209, 6118860), (219, 5839460), (220, 5812917), (228, 5608955), (242, 5284470), (254, 5034810), (285, 4487164), (292, 4379595), (330, 3875278), (363, 3522980), (365, 3503676), (380, 3365373), (381, 3356540), (418, 3059430), (438, 2919730), (484, 2642235), (508, 2517405), (570, 2243582), (605, 2113788), (627, 2039620), (635, 2013924), (660, 1937639), (726, 1761490), (730, 1751838), (762, 1678270), (803, 1592580), (836, 1529715), (876, 1459865), (1045, 1223772), (1095, 1167892), (1140, 1121791), (1210, 1056894), (1254, 1019810), (1270, 1006962), (1387, 922020), (1397, 915420), (1452, 880745), (1460, 875919), (1524, 839135), (1606, 796290), (1815, 704596), (1905, 671308), (2090, 611886), (2190, 583946), (2299, 556260), (2409, 530860), (2413, 529980), (2420, 528447), (2508, 509905), (2540, 503481), (2774, 461010), (2794, 457710), (3135, 407924), (3212, 398145), (3630, 352298), (3810, 335654), (4015, 318516), (4161, 307340), (4180, 305943), (4191, 305140), (4380, 291973), (4598, 278130), (4818, 265430), (4826, 264990), (5548, 230505), (5588, 228855), (6270, 203962), (6897, 185420), (6935, 184404), (6985, 183084), (7239, 176660), (7260, 176149), (7620, 167827), (8030, 159258), (8322, 153670), (8382, 152570), (8833, 144780), (9196, 139065), (9271, 137940), (9636, 132715), (9652, 132495), (11495, 111252), (12045, 106172), (12065, 105996), (12540, 101981), (13794, 92710), (13870, 92202), (13970, 91542), (14478, 88330), (15257, 83820), (15367, 83220), (16060, 79629), (16644, 76835), (16764, 76285), (17666, 72390), (18542, 68970), (20805, 61468), (20955, 61028), (22990, 55626), (24090, 53086), (24130, 52998), (26499, 48260), (26543, 48180), (27588, 46355), (27740, 46101), (27813, 45980), (27940, 45771), (28956, 44165), (30514, 41910), (30734, 41610), (34485, 37084), (35332, 36195)]