399732480

素因数分解:

$2^8\times 3^2\times 5^1\times 7^1\times {\mathrm{4957}}^1$

素因数の和:4991

約数の個数: 216

約数和(自身を含む): 1580927712

約数和(自身を除く): 1181195232

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 128, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 256, 280, 288, 315, 320, 336, 360, 384, 420, 448, 480, 504, 560, 576, 630, 640, 672, 720, 768, 840, 896, 960, 1008, 1120, 1152, 1260, 1280, 1344, 1440, 1680, 1792, 1920, 2016, 2240, 2304, 2520, 2688, 2880, 3360, 3840, 4032, 4480, 4957, 5040, 5376, 5760, 6720, 8064, 8960, 9914, 10080, 11520, 13440, 14871, 16128, 19828, 20160, 24785, 26880, 29742, 34699, 39656, 40320, 44613, 49570, 59484, 69398, 74355, 79312, 80640, 89226, 99140, 104097, 118968, 138796, 148710, 158624, 173495, 178452, 198280, 208194, 223065, 237936, 277592, 297420, 312291, 317248, 346990, 356904, 396560, 416388, 446130, 475872, 520485, 555184, 594840, 624582, 634496, 693980, 713808, 793120, 832776, 892260, 951744, 1040970, 1110368, 1189680, 1249164, 1268992, 1387960, 1427616, 1561455, 1586240, 1665552, 1784520, 1903488, 2081940, 2220736, 2379360, 2498328, 2775920, 2855232, 3122910, 3172480, 3331104, 3569040, 3806976, 4163880, 4441472, 4758720, 4996656, 5551840, 5710464, 6245820, 6344960, 6662208, 7138080, 8327760, 8882944, 9517440, 9993312, 11103680, 11420928, 12491640, 13324416, 14276160, 16655520, 19034880, 19986624, 22207360, 24983280, 26648832, 28552320, 33311040, 39973248, 44414720, 49966560, 57104640, 66622080, 79946496, 99933120, 133244160, 199866240, 399732480]

約数ペア:

[(1, 399732480), (2, 199866240), (3, 133244160), (4, 99933120), (5, 79946496), (6, 66622080), (7, 57104640), (8, 49966560), (9, 44414720), (10, 39973248), (12, 33311040), (14, 28552320), (15, 26648832), (16, 24983280), (18, 22207360), (20, 19986624), (21, 19034880), (24, 16655520), (28, 14276160), (30, 13324416), (32, 12491640), (35, 11420928), (36, 11103680), (40, 9993312), (42, 9517440), (45, 8882944), (48, 8327760), (56, 7138080), (60, 6662208), (63, 6344960), (64, 6245820), (70, 5710464), (72, 5551840), (80, 4996656), (84, 4758720), (90, 4441472), (96, 4163880), (105, 3806976), (112, 3569040), (120, 3331104), (126, 3172480), (128, 3122910), (140, 2855232), (144, 2775920), (160, 2498328), (168, 2379360), (180, 2220736), (192, 2081940), (210, 1903488), (224, 1784520), (240, 1665552), (252, 1586240), (256, 1561455), (280, 1427616), (288, 1387960), (315, 1268992), (320, 1249164), (336, 1189680), (360, 1110368), (384, 1040970), (420, 951744), (448, 892260), (480, 832776), (504, 793120), (560, 713808), (576, 693980), (630, 634496), (640, 624582), (672, 594840), (720, 555184), (768, 520485), (840, 475872), (896, 446130), (960, 416388), (1008, 396560), (1120, 356904), (1152, 346990), (1260, 317248), (1280, 312291), (1344, 297420), (1440, 277592), (1680, 237936), (1792, 223065), (1920, 208194), (2016, 198280), (2240, 178452), (2304, 173495), (2520, 158624), (2688, 148710), (2880, 138796), (3360, 118968), (3840, 104097), (4032, 99140), (4480, 89226), (4957, 80640), (5040, 79312), (5376, 74355), (5760, 69398), (6720, 59484), (8064, 49570), (8960, 44613), (9914, 40320), (10080, 39656), (11520, 34699), (13440, 29742), (14871, 26880), (16128, 24785), (19828, 20160)]