2640982008

素因数分解:

$2^3\times 3^1\times 7^3\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 256

約数和(自身を含む): 8110080000

約数和(自身を除く): 5469097992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 49, 56, 62, 79, 84, 93, 98, 124, 131, 147, 158, 168, 186, 196, 217, 237, 248, 262, 294, 316, 343, 372, 392, 393, 434, 474, 524, 553, 588, 632, 651, 686, 744, 786, 868, 917, 948, 1029, 1048, 1106, 1176, 1302, 1372, 1519, 1572, 1659, 1736, 1834, 1896, 2058, 2212, 2449, 2604, 2744, 2751, 3038, 3144, 3318, 3668, 3871, 4061, 4116, 4424, 4557, 4898, 5208, 5502, 6076, 6419, 6636, 7336, 7347, 7742, 8122, 8232, 9114, 9796, 10349, 10633, 11004, 11613, 12152, 12183, 12838, 13272, 14694, 15484, 16244, 17143, 18228, 19257, 19592, 20698, 21266, 22008, 23226, 24366, 25676, 27097, 28427, 29388, 30968, 31047, 31899, 32488, 34286, 36456, 38514, 41396, 42532, 44933, 46452, 48732, 51352, 51429, 54194, 56854, 58776, 62094, 63798, 68572, 72443, 77028, 81291, 82792, 85064, 85281, 89866, 92904, 97464, 102858, 108388, 113708, 120001, 124188, 127596, 134799, 137144, 144886, 154056, 162582, 170562, 179732, 198989, 205716, 216776, 217329, 227416, 240002, 248376, 255192, 269598, 289772, 320819, 325164, 341124, 359464, 360003, 397978, 411432, 434658, 480004, 507101, 539196, 579544, 596967, 641638, 650328, 682248, 720006, 795956, 840007, 869316, 960008, 962457, 1014202, 1078392, 1193934, 1283276, 1392923, 1440012, 1521303, 1591912, 1680014, 1738632, 1924914, 2028404, 2245733, 2387868, 2520021, 2566552, 2785846, 2880024, 3042606, 3360028, 3549707, 3849828, 4056808, 4178769, 4491466, 4775736, 5040042, 5571692, 6085212, 6720056, 6737199, 7099414, 7699656, 8357538, 8982932, 10080084, 10649121, 11143384, 12170424, 13474398, 14198828, 15720131, 16715076, 17965864, 20160168, 21298242, 26948796, 28397656, 31440262, 33430152, 42596484, 47160393, 53897592, 62880524, 85192968, 94320786, 110040917, 125761048, 188641572, 220081834, 330122751, 377283144, 440163668, 660245502, 880327336, 1320491004, 2640982008]

約数ペア:

[(1, 2640982008), (2, 1320491004), (3, 880327336), (4, 660245502), (6, 440163668), (7, 377283144), (8, 330122751), (12, 220081834), (14, 188641572), (21, 125761048), (24, 110040917), (28, 94320786), (31, 85192968), (42, 62880524), (49, 53897592), (56, 47160393), (62, 42596484), (79, 33430152), (84, 31440262), (93, 28397656), (98, 26948796), (124, 21298242), (131, 20160168), (147, 17965864), (158, 16715076), (168, 15720131), (186, 14198828), (196, 13474398), (217, 12170424), (237, 11143384), (248, 10649121), (262, 10080084), (294, 8982932), (316, 8357538), (343, 7699656), (372, 7099414), (392, 6737199), (393, 6720056), (434, 6085212), (474, 5571692), (524, 5040042), (553, 4775736), (588, 4491466), (632, 4178769), (651, 4056808), (686, 3849828), (744, 3549707), (786, 3360028), (868, 3042606), (917, 2880024), (948, 2785846), (1029, 2566552), (1048, 2520021), (1106, 2387868), (1176, 2245733), (1302, 2028404), (1372, 1924914), (1519, 1738632), (1572, 1680014), (1659, 1591912), (1736, 1521303), (1834, 1440012), (1896, 1392923), (2058, 1283276), (2212, 1193934), (2449, 1078392), (2604, 1014202), (2744, 962457), (2751, 960008), (3038, 869316), (3144, 840007), (3318, 795956), (3668, 720006), (3871, 682248), (4061, 650328), (4116, 641638), (4424, 596967), (4557, 579544), (4898, 539196), (5208, 507101), (5502, 480004), (6076, 434658), (6419, 411432), (6636, 397978), (7336, 360003), (7347, 359464), (7742, 341124), (8122, 325164), (8232, 320819), (9114, 289772), (9796, 269598), (10349, 255192), (10633, 248376), (11004, 240002), (11613, 227416), (12152, 217329), (12183, 216776), (12838, 205716), (13272, 198989), (14694, 179732), (15484, 170562), (16244, 162582), (17143, 154056), (18228, 144886), (19257, 137144), (19592, 134799), (20698, 127596), (21266, 124188), (22008, 120001), (23226, 113708), (24366, 108388), (25676, 102858), (27097, 97464), (28427, 92904), (29388, 89866), (30968, 85281), (31047, 85064), (31899, 82792), (32488, 81291), (34286, 77028), (36456, 72443), (38514, 68572), (41396, 63798), (42532, 62094), (44933, 58776), (46452, 56854), (48732, 54194), (51352, 51429)]