261493596

素因数分解:

$2^2\times 3^4\times 7^3\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 240

約数和(自身を含む): 863262400

約数和(自身を除く): 601768804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 49, 52, 54, 63, 78, 81, 84, 91, 98, 108, 117, 126, 147, 156, 162, 181, 182, 189, 196, 234, 252, 273, 294, 324, 343, 351, 362, 364, 378, 441, 468, 543, 546, 567, 588, 637, 686, 702, 724, 756, 819, 882, 1029, 1053, 1086, 1092, 1134, 1267, 1274, 1323, 1372, 1404, 1629, 1638, 1764, 1911, 2058, 2106, 2172, 2268, 2353, 2457, 2534, 2548, 2646, 3087, 3258, 3276, 3801, 3822, 3969, 4116, 4212, 4459, 4706, 4887, 4914, 5068, 5292, 5733, 6174, 6516, 7059, 7371, 7602, 7644, 7938, 8869, 8918, 9261, 9412, 9774, 9828, 11403, 11466, 12348, 13377, 14118, 14661, 14742, 15204, 15876, 16471, 17199, 17738, 17836, 18522, 19548, 21177, 22806, 22932, 26607, 26754, 27783, 28236, 29322, 29484, 32942, 34209, 34398, 35476, 37044, 40131, 42354, 45612, 49413, 51597, 53214, 53508, 55566, 58644, 62083, 63531, 65884, 68418, 68796, 79821, 80262, 84708, 98826, 102627, 103194, 106428, 111132, 115297, 120393, 124166, 127062, 136836, 148239, 159642, 160524, 186249, 190593, 197652, 205254, 206388, 230594, 239463, 240786, 248332, 254124, 296478, 319284, 345891, 361179, 372498, 381186, 410508, 444717, 461188, 478926, 481572, 558747, 592956, 691782, 718389, 722358, 744996, 762372, 807079, 889434, 957852, 1037673, 1117494, 1334151, 1383564, 1436778, 1444716, 1614158, 1676241, 1778868, 2075346, 2234988, 2421237, 2668302, 2873556, 3113019, 3228316, 3352482, 4150692, 4842474, 5028723, 5336604, 6226038, 6704964, 7263711, 9339057, 9684948, 10057446, 12452076, 14527422, 18678114, 20114892, 21791133, 29054844, 37356228, 43582266, 65373399, 87164532, 130746798, 261493596]

約数ペア:

[(1, 261493596), (2, 130746798), (3, 87164532), (4, 65373399), (6, 43582266), (7, 37356228), (9, 29054844), (12, 21791133), (13, 20114892), (14, 18678114), (18, 14527422), (21, 12452076), (26, 10057446), (27, 9684948), (28, 9339057), (36, 7263711), (39, 6704964), (42, 6226038), (49, 5336604), (52, 5028723), (54, 4842474), (63, 4150692), (78, 3352482), (81, 3228316), (84, 3113019), (91, 2873556), (98, 2668302), (108, 2421237), (117, 2234988), (126, 2075346), (147, 1778868), (156, 1676241), (162, 1614158), (181, 1444716), (182, 1436778), (189, 1383564), (196, 1334151), (234, 1117494), (252, 1037673), (273, 957852), (294, 889434), (324, 807079), (343, 762372), (351, 744996), (362, 722358), (364, 718389), (378, 691782), (441, 592956), (468, 558747), (543, 481572), (546, 478926), (567, 461188), (588, 444717), (637, 410508), (686, 381186), (702, 372498), (724, 361179), (756, 345891), (819, 319284), (882, 296478), (1029, 254124), (1053, 248332), (1086, 240786), (1092, 239463), (1134, 230594), (1267, 206388), (1274, 205254), (1323, 197652), (1372, 190593), (1404, 186249), (1629, 160524), (1638, 159642), (1764, 148239), (1911, 136836), (2058, 127062), (2106, 124166), (2172, 120393), (2268, 115297), (2353, 111132), (2457, 106428), (2534, 103194), (2548, 102627), (2646, 98826), (3087, 84708), (3258, 80262), (3276, 79821), (3801, 68796), (3822, 68418), (3969, 65884), (4116, 63531), (4212, 62083), (4459, 58644), (4706, 55566), (4887, 53508), (4914, 53214), (5068, 51597), (5292, 49413), (5733, 45612), (6174, 42354), (6516, 40131), (7059, 37044), (7371, 35476), (7602, 34398), (7644, 34209), (7938, 32942), (8869, 29484), (8918, 29322), (9261, 28236), (9412, 27783), (9774, 26754), (9828, 26607), (11403, 22932), (11466, 22806), (12348, 21177), (13377, 19548), (14118, 18522), (14661, 17836), (14742, 17738), (15204, 17199), (15876, 16471)]