320006400

素因数分解:

$2^8\times 3^1\times 5^2\times 7^1\times {\mathrm{2381}}^1$

素因数の和:2417

約数の個数: 216

約数和(自身を含む): 1207464384

約数和(自身を除く): 887457984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 64, 70, 75, 80, 84, 96, 100, 105, 112, 120, 128, 140, 150, 160, 168, 175, 192, 200, 210, 224, 240, 256, 280, 300, 320, 336, 350, 384, 400, 420, 448, 480, 525, 560, 600, 640, 672, 700, 768, 800, 840, 896, 960, 1050, 1120, 1200, 1280, 1344, 1400, 1600, 1680, 1792, 1920, 2100, 2240, 2381, 2400, 2688, 2800, 3200, 3360, 3840, 4200, 4480, 4762, 4800, 5376, 5600, 6400, 6720, 7143, 8400, 8960, 9524, 9600, 11200, 11905, 13440, 14286, 16667, 16800, 19048, 19200, 22400, 23810, 26880, 28572, 33334, 33600, 35715, 38096, 44800, 47620, 50001, 57144, 59525, 66668, 67200, 71430, 76192, 83335, 95240, 100002, 114288, 119050, 133336, 134400, 142860, 152384, 166670, 178575, 190480, 200004, 228576, 238100, 250005, 266672, 285720, 304768, 333340, 357150, 380960, 400008, 416675, 457152, 476200, 500010, 533344, 571440, 609536, 666680, 714300, 761920, 800016, 833350, 914304, 952400, 1000020, 1066688, 1142880, 1250025, 1333360, 1428600, 1523840, 1600032, 1666700, 1828608, 1904800, 2000040, 2133376, 2285760, 2500050, 2666720, 2857200, 3047680, 3200064, 3333400, 3809600, 4000080, 4266752, 4571520, 5000100, 5333440, 5714400, 6400128, 6666800, 7619200, 8000160, 9143040, 10000200, 10666880, 11428800, 12800256, 13333600, 15238400, 16000320, 20000400, 21333760, 22857600, 26667200, 32000640, 40000800, 45715200, 53334400, 64001280, 80001600, 106668800, 160003200, 320006400]

約数ペア:

[(1, 320006400), (2, 160003200), (3, 106668800), (4, 80001600), (5, 64001280), (6, 53334400), (7, 45715200), (8, 40000800), (10, 32000640), (12, 26667200), (14, 22857600), (15, 21333760), (16, 20000400), (20, 16000320), (21, 15238400), (24, 13333600), (25, 12800256), (28, 11428800), (30, 10666880), (32, 10000200), (35, 9143040), (40, 8000160), (42, 7619200), (48, 6666800), (50, 6400128), (56, 5714400), (60, 5333440), (64, 5000100), (70, 4571520), (75, 4266752), (80, 4000080), (84, 3809600), (96, 3333400), (100, 3200064), (105, 3047680), (112, 2857200), (120, 2666720), (128, 2500050), (140, 2285760), (150, 2133376), (160, 2000040), (168, 1904800), (175, 1828608), (192, 1666700), (200, 1600032), (210, 1523840), (224, 1428600), (240, 1333360), (256, 1250025), (280, 1142880), (300, 1066688), (320, 1000020), (336, 952400), (350, 914304), (384, 833350), (400, 800016), (420, 761920), (448, 714300), (480, 666680), (525, 609536), (560, 571440), (600, 533344), (640, 500010), (672, 476200), (700, 457152), (768, 416675), (800, 400008), (840, 380960), (896, 357150), (960, 333340), (1050, 304768), (1120, 285720), (1200, 266672), (1280, 250005), (1344, 238100), (1400, 228576), (1600, 200004), (1680, 190480), (1792, 178575), (1920, 166670), (2100, 152384), (2240, 142860), (2381, 134400), (2400, 133336), (2688, 119050), (2800, 114288), (3200, 100002), (3360, 95240), (3840, 83335), (4200, 76192), (4480, 71430), (4762, 67200), (4800, 66668), (5376, 59525), (5600, 57144), (6400, 50001), (6720, 47620), (7143, 44800), (8400, 38096), (8960, 35715), (9524, 33600), (9600, 33334), (11200, 28572), (11905, 26880), (13440, 23810), (14286, 22400), (16667, 19200), (16800, 19048)]