261559368

素因数分解:

$2^3\times 3^6\times 7^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:223

約数の個数: 224

約数和(自身を含む): 865656000

約数和(自身を除く): 604096632

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 43, 54, 56, 63, 72, 81, 84, 86, 108, 126, 129, 149, 162, 168, 172, 189, 216, 243, 252, 258, 298, 301, 324, 344, 378, 387, 447, 486, 504, 516, 567, 596, 602, 648, 729, 756, 774, 894, 903, 972, 1032, 1043, 1134, 1161, 1192, 1204, 1341, 1458, 1512, 1548, 1701, 1788, 1806, 1944, 2086, 2268, 2322, 2408, 2682, 2709, 2916, 3096, 3129, 3402, 3483, 3576, 3612, 4023, 4172, 4536, 4644, 5103, 5364, 5418, 5832, 6258, 6407, 6804, 6966, 7224, 8046, 8127, 8344, 9288, 9387, 10206, 10449, 10728, 10836, 12069, 12516, 12814, 13608, 13932, 16092, 16254, 18774, 19221, 20412, 20898, 21672, 24138, 24381, 25032, 25628, 27864, 28161, 31347, 32184, 32508, 36207, 37548, 38442, 40824, 41796, 44849, 48276, 48762, 51256, 56322, 57663, 62694, 65016, 72414, 73143, 75096, 76884, 83592, 84483, 89698, 96552, 97524, 108621, 112644, 115326, 125388, 134547, 144828, 146286, 153768, 168966, 172989, 179396, 195048, 217242, 219429, 225288, 230652, 250776, 253449, 269094, 289656, 292572, 337932, 345978, 358792, 403641, 434484, 438858, 461304, 506898, 518967, 538188, 585144, 675864, 691956, 760347, 807282, 868968, 877716, 1013796, 1037934, 1076376, 1210923, 1383912, 1520694, 1556901, 1614564, 1755432, 2027592, 2075868, 2421846, 3041388, 3113802, 3229128, 3632769, 4151736, 4670703, 4843692, 6082776, 6227604, 7265538, 9341406, 9687384, 10898307, 12455208, 14531076, 18682812, 21796614, 29062152, 32694921, 37365624, 43593228, 65389842, 87186456, 130779684, 261559368]

約数ペア:

[(1, 261559368), (2, 130779684), (3, 87186456), (4, 65389842), (6, 43593228), (7, 37365624), (8, 32694921), (9, 29062152), (12, 21796614), (14, 18682812), (18, 14531076), (21, 12455208), (24, 10898307), (27, 9687384), (28, 9341406), (36, 7265538), (42, 6227604), (43, 6082776), (54, 4843692), (56, 4670703), (63, 4151736), (72, 3632769), (81, 3229128), (84, 3113802), (86, 3041388), (108, 2421846), (126, 2075868), (129, 2027592), (149, 1755432), (162, 1614564), (168, 1556901), (172, 1520694), (189, 1383912), (216, 1210923), (243, 1076376), (252, 1037934), (258, 1013796), (298, 877716), (301, 868968), (324, 807282), (344, 760347), (378, 691956), (387, 675864), (447, 585144), (486, 538188), (504, 518967), (516, 506898), (567, 461304), (596, 438858), (602, 434484), (648, 403641), (729, 358792), (756, 345978), (774, 337932), (894, 292572), (903, 289656), (972, 269094), (1032, 253449), (1043, 250776), (1134, 230652), (1161, 225288), (1192, 219429), (1204, 217242), (1341, 195048), (1458, 179396), (1512, 172989), (1548, 168966), (1701, 153768), (1788, 146286), (1806, 144828), (1944, 134547), (2086, 125388), (2268, 115326), (2322, 112644), (2408, 108621), (2682, 97524), (2709, 96552), (2916, 89698), (3096, 84483), (3129, 83592), (3402, 76884), (3483, 75096), (3576, 73143), (3612, 72414), (4023, 65016), (4172, 62694), (4536, 57663), (4644, 56322), (5103, 51256), (5364, 48762), (5418, 48276), (5832, 44849), (6258, 41796), (6407, 40824), (6804, 38442), (6966, 37548), (7224, 36207), (8046, 32508), (8127, 32184), (8344, 31347), (9288, 28161), (9387, 27864), (10206, 25628), (10449, 25032), (10728, 24381), (10836, 24138), (12069, 21672), (12516, 20898), (12814, 20412), (13608, 19221), (13932, 18774), (16092, 16254)]