388345680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:314

約数の個数: 240

約数和(自身を含む): 1366769664

約数和(自身を除く): 978423984

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 127, 137, 144, 155, 180, 186, 240, 248, 254, 274, 279, 310, 360, 372, 381, 411, 465, 496, 508, 548, 558, 620, 635, 685, 720, 744, 762, 822, 930, 1016, 1096, 1116, 1143, 1233, 1240, 1270, 1370, 1395, 1488, 1524, 1644, 1860, 1905, 2032, 2055, 2192, 2232, 2286, 2466, 2480, 2540, 2740, 2790, 3048, 3288, 3720, 3810, 3937, 4110, 4247, 4464, 4572, 4932, 5080, 5480, 5580, 5715, 6096, 6165, 6576, 7440, 7620, 7874, 8220, 8494, 9144, 9864, 10160, 10960, 11160, 11430, 11811, 12330, 12741, 15240, 15748, 16440, 16988, 17399, 18288, 19685, 19728, 21235, 22320, 22860, 23622, 24660, 25482, 30480, 31496, 32880, 33976, 34798, 35433, 38223, 39370, 42470, 45720, 47244, 49320, 50964, 52197, 59055, 62992, 63705, 67952, 69596, 70866, 76446, 78740, 84940, 86995, 91440, 94488, 98640, 101928, 104394, 118110, 127410, 139192, 141732, 152892, 156591, 157480, 169880, 173990, 177165, 188976, 191115, 203856, 208788, 236220, 254820, 260985, 278384, 283464, 305784, 313182, 314960, 339760, 347980, 354330, 382230, 417576, 472440, 509640, 521970, 539369, 566928, 611568, 626364, 695960, 708660, 764460, 782955, 835152, 944880, 1019280, 1043940, 1078738, 1252728, 1391920, 1417320, 1528920, 1565910, 1618107, 2087880, 2157476, 2505456, 2696845, 2834640, 3057840, 3131820, 3236214, 4175760, 4314952, 4854321, 5393690, 6263640, 6472428, 8090535, 8629904, 9708642, 10787380, 12527280, 12944856, 16181070, 19417284, 21574760, 24271605, 25889712, 32362140, 38834568, 43149520, 48543210, 64724280, 77669136, 97086420, 129448560, 194172840, 388345680]

約数ペア:

[(1, 388345680), (2, 194172840), (3, 129448560), (4, 97086420), (5, 77669136), (6, 64724280), (8, 48543210), (9, 43149520), (10, 38834568), (12, 32362140), (15, 25889712), (16, 24271605), (18, 21574760), (20, 19417284), (24, 16181070), (30, 12944856), (31, 12527280), (36, 10787380), (40, 9708642), (45, 8629904), (48, 8090535), (60, 6472428), (62, 6263640), (72, 5393690), (80, 4854321), (90, 4314952), (93, 4175760), (120, 3236214), (124, 3131820), (127, 3057840), (137, 2834640), (144, 2696845), (155, 2505456), (180, 2157476), (186, 2087880), (240, 1618107), (248, 1565910), (254, 1528920), (274, 1417320), (279, 1391920), (310, 1252728), (360, 1078738), (372, 1043940), (381, 1019280), (411, 944880), (465, 835152), (496, 782955), (508, 764460), (548, 708660), (558, 695960), (620, 626364), (635, 611568), (685, 566928), (720, 539369), (744, 521970), (762, 509640), (822, 472440), (930, 417576), (1016, 382230), (1096, 354330), (1116, 347980), (1143, 339760), (1233, 314960), (1240, 313182), (1270, 305784), (1370, 283464), (1395, 278384), (1488, 260985), (1524, 254820), (1644, 236220), (1860, 208788), (1905, 203856), (2032, 191115), (2055, 188976), (2192, 177165), (2232, 173990), (2286, 169880), (2466, 157480), (2480, 156591), (2540, 152892), (2740, 141732), (2790, 139192), (3048, 127410), (3288, 118110), (3720, 104394), (3810, 101928), (3937, 98640), (4110, 94488), (4247, 91440), (4464, 86995), (4572, 84940), (4932, 78740), (5080, 76446), (5480, 70866), (5580, 69596), (5715, 67952), (6096, 63705), (6165, 62992), (6576, 59055), (7440, 52197), (7620, 50964), (7874, 49320), (8220, 47244), (8494, 45720), (9144, 42470), (9864, 39370), (10160, 38223), (10960, 35433), (11160, 34798), (11430, 33976), (11811, 32880), (12330, 31496), (12741, 30480), (15240, 25482), (15748, 24660), (16440, 23622), (16988, 22860), (17399, 22320), (18288, 21235), (19685, 19728)]