320475540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{977}}^1$

素因数の和:1078

約数の個数: 192

約数和(自身を含む): 1135669248

約数和(自身を除く): 815193708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 55, 60, 66, 70, 71, 77, 84, 105, 110, 132, 140, 142, 154, 165, 210, 213, 220, 231, 284, 308, 330, 355, 385, 420, 426, 462, 497, 660, 710, 770, 781, 852, 924, 977, 994, 1065, 1155, 1420, 1491, 1540, 1562, 1954, 1988, 2130, 2310, 2343, 2485, 2931, 2982, 3124, 3905, 3908, 4260, 4620, 4686, 4885, 4970, 5467, 5862, 5964, 6839, 7455, 7810, 9372, 9770, 9940, 10747, 10934, 11715, 11724, 13678, 14655, 14910, 15620, 16401, 19540, 20517, 21494, 21868, 23430, 27335, 27356, 29310, 29820, 32241, 32802, 34195, 41034, 42988, 46860, 53735, 54670, 58620, 64482, 65604, 68390, 69367, 75229, 82005, 82068, 102585, 107470, 109340, 128964, 136780, 138734, 150458, 161205, 164010, 205170, 208101, 214940, 225687, 277468, 300916, 322410, 328020, 346835, 376145, 410340, 416202, 451374, 485569, 644820, 693670, 752290, 763037, 832404, 902748, 971138, 1040505, 1128435, 1387340, 1456707, 1504580, 1526074, 1942276, 2081010, 2256870, 2289111, 2427845, 2913414, 3052148, 3815185, 4162020, 4513740, 4578222, 4855690, 5341259, 5826828, 7283535, 7630370, 9156444, 9711380, 10682518, 11445555, 14567070, 15260740, 16023777, 21365036, 22891110, 26706295, 29134140, 32047554, 45782220, 53412590, 64095108, 80118885, 106825180, 160237770, 320475540]

約数ペア:

[(1, 320475540), (2, 160237770), (3, 106825180), (4, 80118885), (5, 64095108), (6, 53412590), (7, 45782220), (10, 32047554), (11, 29134140), (12, 26706295), (14, 22891110), (15, 21365036), (20, 16023777), (21, 15260740), (22, 14567070), (28, 11445555), (30, 10682518), (33, 9711380), (35, 9156444), (42, 7630370), (44, 7283535), (55, 5826828), (60, 5341259), (66, 4855690), (70, 4578222), (71, 4513740), (77, 4162020), (84, 3815185), (105, 3052148), (110, 2913414), (132, 2427845), (140, 2289111), (142, 2256870), (154, 2081010), (165, 1942276), (210, 1526074), (213, 1504580), (220, 1456707), (231, 1387340), (284, 1128435), (308, 1040505), (330, 971138), (355, 902748), (385, 832404), (420, 763037), (426, 752290), (462, 693670), (497, 644820), (660, 485569), (710, 451374), (770, 416202), (781, 410340), (852, 376145), (924, 346835), (977, 328020), (994, 322410), (1065, 300916), (1155, 277468), (1420, 225687), (1491, 214940), (1540, 208101), (1562, 205170), (1954, 164010), (1988, 161205), (2130, 150458), (2310, 138734), (2343, 136780), (2485, 128964), (2931, 109340), (2982, 107470), (3124, 102585), (3905, 82068), (3908, 82005), (4260, 75229), (4620, 69367), (4686, 68390), (4885, 65604), (4970, 64482), (5467, 58620), (5862, 54670), (5964, 53735), (6839, 46860), (7455, 42988), (7810, 41034), (9372, 34195), (9770, 32802), (9940, 32241), (10747, 29820), (10934, 29310), (11715, 27356), (11724, 27335), (13678, 23430), (14655, 21868), (14910, 21494), (15620, 20517), (16401, 19540)]