256821456528

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{236129}}^1$

素因数の和:236246

約数の個数: 240

約数和(自身を含む): 895268949120

約数和(自身を除く): 638447492592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 16, 18, 21, 24, 26, 28, 36, 39, 42, 48, 52, 56, 63, 72, 78, 83, 84, 91, 104, 112, 117, 126, 144, 156, 166, 168, 182, 208, 234, 249, 252, 273, 312, 332, 336, 364, 468, 498, 504, 546, 581, 624, 664, 728, 747, 819, 936, 996, 1008, 1079, 1092, 1162, 1328, 1456, 1494, 1638, 1743, 1872, 1992, 2158, 2184, 2324, 2988, 3237, 3276, 3486, 3984, 4316, 4368, 4648, 5229, 5976, 6474, 6552, 6972, 7553, 8632, 9296, 9711, 10458, 11952, 12948, 13104, 13944, 15106, 17264, 19422, 20916, 22659, 25896, 27888, 30212, 38844, 41832, 45318, 51792, 60424, 67977, 77688, 83664, 90636, 120848, 135954, 155376, 181272, 236129, 271908, 362544, 472258, 543816, 708387, 944516, 1087632, 1416774, 1652903, 1889032, 2125161, 2833548, 3069677, 3305806, 3778064, 4250322, 4958709, 5667096, 6139354, 6611612, 8500644, 9209031, 9917418, 11334192, 12278708, 13223224, 14876127, 17001288, 18418062, 19598707, 19834836, 21487739, 24557416, 26446448, 27627093, 29752254, 34002576, 36836124, 39197414, 39669672, 42975478, 49114832, 55254186, 58796121, 59504508, 64463217, 73672248, 78394828, 79339344, 85950956, 110508372, 117592242, 119009016, 128926434, 137190949, 147344496, 156789656, 171901912, 176388363, 193389651, 221016744, 235184484, 238018032, 254783191, 257852868, 274381898, 313579312, 343803824, 352776726, 386779302, 411572847, 442033488, 470368968, 509566382, 515705736, 548763796, 705553452, 764349573, 773558604, 823145694, 940737936, 1019132764, 1031411472, 1097527592, 1234718541, 1411106904, 1528699146, 1547117208, 1646291388, 1783482337, 2038265528, 2195055184, 2293048719, 2469437082, 2822213808, 3057398292, 3094234416, 3292582776, 3566964674, 4076531056, 4586097438, 4938874164, 5350447011, 6114796584, 6585165552, 7133929348, 9172194876, 9877748328, 10700894022, 12229593168, 14267858696, 16051341033, 18344389752, 19755496656, 21401788044, 28535717392, 32102682066, 36688779504, 42803576088, 64205364132, 85607152176, 128410728264, 256821456528]

約数ペア:

[(1, 256821456528), (2, 128410728264), (3, 85607152176), (4, 64205364132), (6, 42803576088), (7, 36688779504), (8, 32102682066), (9, 28535717392), (12, 21401788044), (13, 19755496656), (14, 18344389752), (16, 16051341033), (18, 14267858696), (21, 12229593168), (24, 10700894022), (26, 9877748328), (28, 9172194876), (36, 7133929348), (39, 6585165552), (42, 6114796584), (48, 5350447011), (52, 4938874164), (56, 4586097438), (63, 4076531056), (72, 3566964674), (78, 3292582776), (83, 3094234416), (84, 3057398292), (91, 2822213808), (104, 2469437082), (112, 2293048719), (117, 2195055184), (126, 2038265528), (144, 1783482337), (156, 1646291388), (166, 1547117208), (168, 1528699146), (182, 1411106904), (208, 1234718541), (234, 1097527592), (249, 1031411472), (252, 1019132764), (273, 940737936), (312, 823145694), (332, 773558604), (336, 764349573), (364, 705553452), (468, 548763796), (498, 515705736), (504, 509566382), (546, 470368968), (581, 442033488), (624, 411572847), (664, 386779302), (728, 352776726), (747, 343803824), (819, 313579312), (936, 274381898), (996, 257852868), (1008, 254783191), (1079, 238018032), (1092, 235184484), (1162, 221016744), (1328, 193389651), (1456, 176388363), (1494, 171901912), (1638, 156789656), (1743, 147344496), (1872, 137190949), (1992, 128926434), (2158, 119009016), (2184, 117592242), (2324, 110508372), (2988, 85950956), (3237, 79339344), (3276, 78394828), (3486, 73672248), (3984, 64463217), (4316, 59504508), (4368, 58796121), (4648, 55254186), (5229, 49114832), (5976, 42975478), (6474, 39669672), (6552, 39197414), (6972, 36836124), (7553, 34002576), (8632, 29752254), (9296, 27627093), (9711, 26446448), (10458, 24557416), (11952, 21487739), (12948, 19834836), (13104, 19598707), (13944, 18418062), (15106, 17001288), (17264, 14876127), (19422, 13223224), (20916, 12278708), (22659, 11334192), (25896, 9917418), (27888, 9209031), (30212, 8500644), (38844, 6611612), (41832, 6139354), (45318, 5667096), (51792, 4958709), (60424, 4250322), (67977, 3778064), (77688, 3305806), (83664, 3069677), (90636, 2833548), (120848, 2125161), (135954, 1889032), (155376, 1652903), (181272, 1416774), (236129, 1087632), (271908, 944516), (362544, 708387), (472258, 543816)]