245997840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:278

約数の個数: 240

約数和(自身を含む): 862069824

約数和(自身を除く): 616071984

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 43, 44, 48, 55, 60, 66, 80, 86, 88, 110, 120, 121, 129, 132, 165, 172, 176, 197, 215, 220, 240, 242, 258, 264, 330, 344, 363, 394, 430, 440, 473, 484, 516, 528, 591, 605, 645, 660, 688, 726, 788, 860, 880, 946, 968, 985, 1032, 1182, 1210, 1290, 1320, 1419, 1452, 1576, 1720, 1815, 1892, 1936, 1970, 2064, 2167, 2364, 2365, 2420, 2580, 2640, 2838, 2904, 2955, 3152, 3440, 3630, 3784, 3940, 4334, 4728, 4730, 4840, 5160, 5203, 5676, 5808, 5910, 6501, 7095, 7260, 7568, 7880, 8471, 8668, 9456, 9460, 9680, 10320, 10406, 10835, 11352, 11820, 13002, 14190, 14520, 15609, 15760, 16942, 17336, 18920, 20812, 21670, 22704, 23640, 23837, 25413, 26004, 26015, 28380, 29040, 31218, 32505, 33884, 34672, 37840, 41624, 42355, 43340, 47280, 47674, 50826, 52008, 52030, 56760, 62436, 65010, 67768, 71511, 78045, 83248, 84710, 86680, 93181, 95348, 101652, 104016, 104060, 113520, 119185, 124872, 127065, 130020, 135536, 143022, 156090, 169420, 173360, 186362, 190696, 203304, 208120, 238370, 249744, 254130, 260040, 279543, 286044, 312180, 338840, 357555, 372724, 381392, 406608, 416240, 465905, 476740, 508260, 520080, 559086, 572088, 624360, 677680, 715110, 745448, 931810, 953480, 1016520, 1024991, 1118172, 1144176, 1248720, 1397715, 1430220, 1490896, 1863620, 1906960, 2033040, 2049982, 2236344, 2795430, 2860440, 3074973, 3727240, 4099964, 4472688, 5124955, 5590860, 5720880, 6149946, 7454480, 8199928, 10249910, 11181720, 12299892, 15374865, 16399856, 20499820, 22363440, 24599784, 30749730, 40999640, 49199568, 61499460, 81999280, 122998920, 245997840]

約数ペア:

[(1, 245997840), (2, 122998920), (3, 81999280), (4, 61499460), (5, 49199568), (6, 40999640), (8, 30749730), (10, 24599784), (11, 22363440), (12, 20499820), (15, 16399856), (16, 15374865), (20, 12299892), (22, 11181720), (24, 10249910), (30, 8199928), (33, 7454480), (40, 6149946), (43, 5720880), (44, 5590860), (48, 5124955), (55, 4472688), (60, 4099964), (66, 3727240), (80, 3074973), (86, 2860440), (88, 2795430), (110, 2236344), (120, 2049982), (121, 2033040), (129, 1906960), (132, 1863620), (165, 1490896), (172, 1430220), (176, 1397715), (197, 1248720), (215, 1144176), (220, 1118172), (240, 1024991), (242, 1016520), (258, 953480), (264, 931810), (330, 745448), (344, 715110), (363, 677680), (394, 624360), (430, 572088), (440, 559086), (473, 520080), (484, 508260), (516, 476740), (528, 465905), (591, 416240), (605, 406608), (645, 381392), (660, 372724), (688, 357555), (726, 338840), (788, 312180), (860, 286044), (880, 279543), (946, 260040), (968, 254130), (985, 249744), (1032, 238370), (1182, 208120), (1210, 203304), (1290, 190696), (1320, 186362), (1419, 173360), (1452, 169420), (1576, 156090), (1720, 143022), (1815, 135536), (1892, 130020), (1936, 127065), (1970, 124872), (2064, 119185), (2167, 113520), (2364, 104060), (2365, 104016), (2420, 101652), (2580, 95348), (2640, 93181), (2838, 86680), (2904, 84710), (2955, 83248), (3152, 78045), (3440, 71511), (3630, 67768), (3784, 65010), (3940, 62436), (4334, 56760), (4728, 52030), (4730, 52008), (4840, 50826), (5160, 47674), (5203, 47280), (5676, 43340), (5808, 42355), (5910, 41624), (6501, 37840), (7095, 34672), (7260, 33884), (7568, 32505), (7880, 31218), (8471, 29040), (8668, 28380), (9456, 26015), (9460, 26004), (9680, 25413), (10320, 23837), (10406, 23640), (10835, 22704), (11352, 21670), (11820, 20812), (13002, 18920), (14190, 17336), (14520, 16942), (15609, 15760)]