648126720

素因数分解:

$2^8\times 3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{443}}^1$

素因数の和:597

約数の個数: 216

約数和(自身を含む): 2265209856

約数和(自身を除く): 1617083136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 64, 72, 80, 90, 96, 120, 127, 128, 144, 160, 180, 192, 240, 254, 256, 288, 320, 360, 381, 384, 443, 480, 508, 576, 635, 640, 720, 762, 768, 886, 960, 1016, 1143, 1152, 1270, 1280, 1329, 1440, 1524, 1772, 1905, 1920, 2032, 2215, 2286, 2304, 2540, 2658, 2880, 3048, 3544, 3810, 3840, 3987, 4064, 4430, 4572, 5080, 5316, 5715, 5760, 6096, 6645, 7088, 7620, 7974, 8128, 8860, 9144, 10160, 10632, 11430, 11520, 12192, 13290, 14176, 15240, 15948, 16256, 17720, 18288, 19935, 20320, 21264, 22860, 24384, 26580, 28352, 30480, 31896, 32512, 35440, 36576, 39870, 40640, 42528, 45720, 48768, 53160, 56261, 56704, 60960, 63792, 70880, 73152, 79740, 81280, 85056, 91440, 97536, 106320, 112522, 113408, 121920, 127584, 141760, 146304, 159480, 162560, 168783, 170112, 182880, 212640, 225044, 243840, 255168, 281305, 283520, 292608, 318960, 337566, 340224, 365760, 425280, 450088, 487680, 506349, 510336, 562610, 567040, 637920, 675132, 731520, 843915, 850560, 900176, 1012698, 1020672, 1125220, 1275840, 1350264, 1463040, 1687830, 1701120, 1800352, 2025396, 2250440, 2531745, 2551680, 2700528, 3375660, 3600704, 4050792, 4500880, 5063490, 5103360, 5401056, 6751320, 7201408, 8101584, 9001760, 10126980, 10802112, 13502640, 14402816, 16203168, 18003520, 20253960, 21604224, 27005280, 32406336, 36007040, 40507920, 43208448, 54010560, 64812672, 72014080, 81015840, 108021120, 129625344, 162031680, 216042240, 324063360, 648126720]

約数ペア:

[(1, 648126720), (2, 324063360), (3, 216042240), (4, 162031680), (5, 129625344), (6, 108021120), (8, 81015840), (9, 72014080), (10, 64812672), (12, 54010560), (15, 43208448), (16, 40507920), (18, 36007040), (20, 32406336), (24, 27005280), (30, 21604224), (32, 20253960), (36, 18003520), (40, 16203168), (45, 14402816), (48, 13502640), (60, 10802112), (64, 10126980), (72, 9001760), (80, 8101584), (90, 7201408), (96, 6751320), (120, 5401056), (127, 5103360), (128, 5063490), (144, 4500880), (160, 4050792), (180, 3600704), (192, 3375660), (240, 2700528), (254, 2551680), (256, 2531745), (288, 2250440), (320, 2025396), (360, 1800352), (381, 1701120), (384, 1687830), (443, 1463040), (480, 1350264), (508, 1275840), (576, 1125220), (635, 1020672), (640, 1012698), (720, 900176), (762, 850560), (768, 843915), (886, 731520), (960, 675132), (1016, 637920), (1143, 567040), (1152, 562610), (1270, 510336), (1280, 506349), (1329, 487680), (1440, 450088), (1524, 425280), (1772, 365760), (1905, 340224), (1920, 337566), (2032, 318960), (2215, 292608), (2286, 283520), (2304, 281305), (2540, 255168), (2658, 243840), (2880, 225044), (3048, 212640), (3544, 182880), (3810, 170112), (3840, 168783), (3987, 162560), (4064, 159480), (4430, 146304), (4572, 141760), (5080, 127584), (5316, 121920), (5715, 113408), (5760, 112522), (6096, 106320), (6645, 97536), (7088, 91440), (7620, 85056), (7974, 81280), (8128, 79740), (8860, 73152), (9144, 70880), (10160, 63792), (10632, 60960), (11430, 56704), (11520, 56261), (12192, 53160), (13290, 48768), (14176, 45720), (15240, 42528), (15948, 40640), (16256, 39870), (17720, 36576), (18288, 35440), (19935, 32512), (20320, 31896), (21264, 30480), (22860, 28352), (24384, 26580)]