638069280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:499

約数の個数: 192

約数和(自身を含む): 2096575488

約数和(自身を除く): 1458506208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 137, 155, 160, 186, 240, 248, 274, 310, 313, 372, 411, 465, 480, 496, 548, 620, 626, 685, 744, 822, 930, 939, 992, 1096, 1240, 1252, 1370, 1488, 1565, 1644, 1860, 1878, 2055, 2192, 2480, 2504, 2740, 2976, 3130, 3288, 3720, 3756, 4110, 4247, 4384, 4695, 4960, 5008, 5480, 6260, 6576, 7440, 7512, 8220, 8494, 9390, 9703, 10016, 10960, 12520, 12741, 13152, 14880, 15024, 16440, 16988, 18780, 19406, 21235, 21920, 25040, 25482, 29109, 30048, 32880, 33976, 37560, 38812, 42470, 42881, 48515, 50080, 50964, 58218, 63705, 65760, 67952, 75120, 77624, 84940, 85762, 97030, 101928, 116436, 127410, 128643, 135904, 145545, 150240, 155248, 169880, 171524, 194060, 203856, 214405, 232872, 254820, 257286, 291090, 310496, 339760, 343048, 388120, 407712, 428810, 465744, 509640, 514572, 582180, 643215, 679520, 686096, 776240, 857620, 931488, 1019280, 1029144, 1164360, 1286430, 1329311, 1372192, 1552480, 1715240, 2038560, 2058288, 2328720, 2572860, 2658622, 3430480, 3987933, 4116576, 4657440, 5145720, 5317244, 6646555, 6860960, 7975866, 10291440, 10634488, 13293110, 15951732, 19939665, 20582880, 21268976, 26586220, 31903464, 39879330, 42537952, 53172440, 63806928, 79758660, 106344880, 127613856, 159517320, 212689760, 319034640, 638069280]

約数ペア:

[(1, 638069280), (2, 319034640), (3, 212689760), (4, 159517320), (5, 127613856), (6, 106344880), (8, 79758660), (10, 63806928), (12, 53172440), (15, 42537952), (16, 39879330), (20, 31903464), (24, 26586220), (30, 21268976), (31, 20582880), (32, 19939665), (40, 15951732), (48, 13293110), (60, 10634488), (62, 10291440), (80, 7975866), (93, 6860960), (96, 6646555), (120, 5317244), (124, 5145720), (137, 4657440), (155, 4116576), (160, 3987933), (186, 3430480), (240, 2658622), (248, 2572860), (274, 2328720), (310, 2058288), (313, 2038560), (372, 1715240), (411, 1552480), (465, 1372192), (480, 1329311), (496, 1286430), (548, 1164360), (620, 1029144), (626, 1019280), (685, 931488), (744, 857620), (822, 776240), (930, 686096), (939, 679520), (992, 643215), (1096, 582180), (1240, 514572), (1252, 509640), (1370, 465744), (1488, 428810), (1565, 407712), (1644, 388120), (1860, 343048), (1878, 339760), (2055, 310496), (2192, 291090), (2480, 257286), (2504, 254820), (2740, 232872), (2976, 214405), (3130, 203856), (3288, 194060), (3720, 171524), (3756, 169880), (4110, 155248), (4247, 150240), (4384, 145545), (4695, 135904), (4960, 128643), (5008, 127410), (5480, 116436), (6260, 101928), (6576, 97030), (7440, 85762), (7512, 84940), (8220, 77624), (8494, 75120), (9390, 67952), (9703, 65760), (10016, 63705), (10960, 58218), (12520, 50964), (12741, 50080), (13152, 48515), (14880, 42881), (15024, 42470), (16440, 38812), (16988, 37560), (18780, 33976), (19406, 32880), (21235, 30048), (21920, 29109), (25040, 25482)]