256960116

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:219

約数の個数: 216

約数和(自身を含む): 807346176

約数和(自身を除く): 550386060

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 37, 42, 49, 62, 63, 74, 84, 93, 98, 111, 124, 126, 127, 147, 148, 186, 196, 217, 222, 252, 254, 259, 279, 294, 333, 372, 381, 434, 441, 444, 508, 518, 558, 588, 651, 666, 762, 777, 868, 882, 889, 1036, 1116, 1143, 1147, 1302, 1332, 1519, 1524, 1554, 1764, 1778, 1813, 1953, 2286, 2294, 2331, 2604, 2667, 3038, 3108, 3441, 3556, 3626, 3906, 3937, 4557, 4572, 4588, 4662, 4699, 5334, 5439, 6076, 6223, 6882, 7252, 7812, 7874, 8001, 8029, 9114, 9324, 9398, 10323, 10668, 10878, 11811, 12446, 13671, 13764, 14097, 15748, 16002, 16058, 16317, 18228, 18669, 18796, 20646, 21756, 23622, 24087, 24892, 27342, 27559, 28194, 32004, 32116, 32634, 32893, 35433, 37338, 41292, 42291, 47244, 48174, 54684, 55118, 56007, 56203, 56388, 65268, 65786, 70866, 72261, 74676, 82677, 84582, 96348, 98679, 110236, 112014, 112406, 131572, 141732, 144522, 145669, 165354, 168609, 169164, 192913, 197358, 224028, 224812, 230251, 248031, 289044, 291338, 296037, 330708, 337218, 385826, 394716, 437007, 460502, 496062, 505827, 578739, 582676, 592074, 674436, 690753, 771652, 874014, 921004, 992124, 1011654, 1019683, 1157478, 1184148, 1311021, 1381506, 1736217, 1748028, 2023308, 2039366, 2072259, 2314956, 2622042, 2763012, 3059049, 3472434, 4078732, 4144518, 5244084, 6118098, 6944868, 7137781, 8289036, 9177147, 12236196, 14275562, 18354294, 21413343, 28551124, 36708588, 42826686, 64240029, 85653372, 128480058, 256960116]

約数ペア:

[(1, 256960116), (2, 128480058), (3, 85653372), (4, 64240029), (6, 42826686), (7, 36708588), (9, 28551124), (12, 21413343), (14, 18354294), (18, 14275562), (21, 12236196), (28, 9177147), (31, 8289036), (36, 7137781), (37, 6944868), (42, 6118098), (49, 5244084), (62, 4144518), (63, 4078732), (74, 3472434), (84, 3059049), (93, 2763012), (98, 2622042), (111, 2314956), (124, 2072259), (126, 2039366), (127, 2023308), (147, 1748028), (148, 1736217), (186, 1381506), (196, 1311021), (217, 1184148), (222, 1157478), (252, 1019683), (254, 1011654), (259, 992124), (279, 921004), (294, 874014), (333, 771652), (372, 690753), (381, 674436), (434, 592074), (441, 582676), (444, 578739), (508, 505827), (518, 496062), (558, 460502), (588, 437007), (651, 394716), (666, 385826), (762, 337218), (777, 330708), (868, 296037), (882, 291338), (889, 289044), (1036, 248031), (1116, 230251), (1143, 224812), (1147, 224028), (1302, 197358), (1332, 192913), (1519, 169164), (1524, 168609), (1554, 165354), (1764, 145669), (1778, 144522), (1813, 141732), (1953, 131572), (2286, 112406), (2294, 112014), (2331, 110236), (2604, 98679), (2667, 96348), (3038, 84582), (3108, 82677), (3441, 74676), (3556, 72261), (3626, 70866), (3906, 65786), (3937, 65268), (4557, 56388), (4572, 56203), (4588, 56007), (4662, 55118), (4699, 54684), (5334, 48174), (5439, 47244), (6076, 42291), (6223, 41292), (6882, 37338), (7252, 35433), (7812, 32893), (7874, 32634), (8001, 32116), (8029, 32004), (9114, 28194), (9324, 27559), (9398, 27342), (10323, 24892), (10668, 24087), (10878, 23622), (11811, 21756), (12446, 20646), (13671, 18796), (13764, 18669), (14097, 18228), (15748, 16317), (16002, 16058)]