321298560

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{461}}^1$

素因数の和:508

約数の個数: 288

約数和(自身を含む): 1222160940

約数和(自身を除く): 900862380

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 121, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 242, 264, 288, 320, 330, 352, 360, 363, 384, 396, 440, 461, 480, 484, 495, 528, 576, 605, 640, 660, 704, 720, 726, 792, 880, 922, 960, 968, 990, 1056, 1089, 1152, 1210, 1320, 1383, 1408, 1440, 1452, 1584, 1760, 1815, 1844, 1920, 1936, 1980, 2112, 2178, 2305, 2420, 2640, 2766, 2880, 2904, 3168, 3520, 3630, 3688, 3872, 3960, 4149, 4224, 4356, 4610, 4840, 5071, 5280, 5445, 5532, 5760, 5808, 6336, 6915, 7040, 7260, 7376, 7744, 7920, 8298, 8712, 9220, 9680, 10142, 10560, 10890, 11064, 11616, 12672, 13830, 14520, 14752, 15213, 15488, 15840, 16596, 17424, 18440, 19360, 20284, 20745, 21120, 21780, 22128, 23232, 25355, 27660, 29040, 29504, 30426, 31680, 33192, 34848, 36880, 38720, 40568, 41490, 43560, 44256, 45639, 46464, 50710, 55320, 55781, 58080, 59008, 60852, 63360, 66384, 69696, 73760, 76065, 77440, 81136, 82980, 87120, 88512, 91278, 101420, 110640, 111562, 116160, 121704, 132768, 139392, 147520, 152130, 162272, 165960, 167343, 174240, 177024, 182556, 202840, 221280, 223124, 228195, 232320, 243408, 265536, 278905, 295040, 304260, 324544, 331920, 334686, 348480, 365112, 405680, 442560, 446248, 456390, 486816, 502029, 531072, 557810, 608520, 649088, 663840, 669372, 696960, 730224, 811360, 836715, 885120, 892496, 912780, 973632, 1004058, 1115620, 1217040, 1327680, 1338744, 1460448, 1622720, 1673430, 1784992, 1825560, 1947264, 2008116, 2231240, 2434080, 2510145, 2655360, 2677488, 2920896, 3245440, 3346860, 3569984, 3651120, 4016232, 4462480, 4868160, 5020290, 5354976, 5841792, 6693720, 7139968, 7302240, 8032464, 8924960, 9736320, 10040580, 10709952, 13387440, 14604480, 16064928, 17849920, 20081160, 21419904, 26774880, 29208960, 32129856, 35699840, 40162320, 53549760, 64259712, 80324640, 107099520, 160649280, 321298560]

約数ペア:

[(1, 321298560), (2, 160649280), (3, 107099520), (4, 80324640), (5, 64259712), (6, 53549760), (8, 40162320), (9, 35699840), (10, 32129856), (11, 29208960), (12, 26774880), (15, 21419904), (16, 20081160), (18, 17849920), (20, 16064928), (22, 14604480), (24, 13387440), (30, 10709952), (32, 10040580), (33, 9736320), (36, 8924960), (40, 8032464), (44, 7302240), (45, 7139968), (48, 6693720), (55, 5841792), (60, 5354976), (64, 5020290), (66, 4868160), (72, 4462480), (80, 4016232), (88, 3651120), (90, 3569984), (96, 3346860), (99, 3245440), (110, 2920896), (120, 2677488), (121, 2655360), (128, 2510145), (132, 2434080), (144, 2231240), (160, 2008116), (165, 1947264), (176, 1825560), (180, 1784992), (192, 1673430), (198, 1622720), (220, 1460448), (240, 1338744), (242, 1327680), (264, 1217040), (288, 1115620), (320, 1004058), (330, 973632), (352, 912780), (360, 892496), (363, 885120), (384, 836715), (396, 811360), (440, 730224), (461, 696960), (480, 669372), (484, 663840), (495, 649088), (528, 608520), (576, 557810), (605, 531072), (640, 502029), (660, 486816), (704, 456390), (720, 446248), (726, 442560), (792, 405680), (880, 365112), (922, 348480), (960, 334686), (968, 331920), (990, 324544), (1056, 304260), (1089, 295040), (1152, 278905), (1210, 265536), (1320, 243408), (1383, 232320), (1408, 228195), (1440, 223124), (1452, 221280), (1584, 202840), (1760, 182556), (1815, 177024), (1844, 174240), (1920, 167343), (1936, 165960), (1980, 162272), (2112, 152130), (2178, 147520), (2305, 139392), (2420, 132768), (2640, 121704), (2766, 116160), (2880, 111562), (2904, 110640), (3168, 101420), (3520, 91278), (3630, 88512), (3688, 87120), (3872, 82980), (3960, 81136), (4149, 77440), (4224, 76065), (4356, 73760), (4610, 69696), (4840, 66384), (5071, 63360), (5280, 60852), (5445, 59008), (5532, 58080), (5760, 55781), (5808, 55320), (6336, 50710), (6915, 46464), (7040, 45639), (7260, 44256), (7376, 43560), (7744, 41490), (7920, 40568), (8298, 38720), (8712, 36880), (9220, 34848), (9680, 33192), (10142, 31680), (10560, 30426), (10890, 29504), (11064, 29040), (11616, 27660), (12672, 25355), (13830, 23232), (14520, 22128), (14752, 21780), (15213, 21120), (15488, 20745), (15840, 20284), (16596, 19360), (17424, 18440)]