66478720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:127

約数の個数: 256

約数和(自身を含む): 211507200

約数和(自身を除く): 145028480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 19, 20, 22, 28, 32, 35, 38, 40, 44, 55, 56, 64, 70, 71, 76, 77, 80, 88, 95, 110, 112, 128, 133, 140, 142, 152, 154, 160, 176, 190, 209, 220, 224, 266, 280, 284, 304, 308, 320, 352, 355, 380, 385, 418, 440, 448, 497, 532, 560, 568, 608, 616, 640, 665, 704, 710, 760, 770, 781, 836, 880, 896, 994, 1045, 1064, 1120, 1136, 1216, 1232, 1330, 1349, 1408, 1420, 1463, 1520, 1540, 1562, 1672, 1760, 1988, 2090, 2128, 2240, 2272, 2432, 2464, 2485, 2660, 2698, 2840, 2926, 3040, 3080, 3124, 3344, 3520, 3905, 3976, 4180, 4256, 4480, 4544, 4928, 4970, 5320, 5396, 5467, 5680, 5852, 6080, 6160, 6248, 6688, 6745, 7040, 7315, 7810, 7952, 8360, 8512, 9088, 9443, 9856, 9940, 10640, 10792, 10934, 11360, 11704, 12160, 12320, 12496, 13376, 13490, 14630, 14839, 15620, 15904, 16720, 17024, 18886, 19880, 21280, 21584, 21868, 22720, 23408, 24640, 24992, 26752, 26980, 27335, 29260, 29678, 31240, 31808, 33440, 37772, 39760, 42560, 43168, 43736, 45440, 46816, 47215, 49280, 49984, 53960, 54670, 58520, 59356, 62480, 63616, 66880, 74195, 75544, 79520, 85120, 86336, 87472, 93632, 94430, 99968, 103873, 107920, 109340, 117040, 118712, 124960, 133760, 148390, 151088, 159040, 172672, 174944, 187264, 188860, 207746, 215840, 218680, 234080, 237424, 249920, 296780, 302176, 318080, 349888, 377720, 415492, 431680, 437360, 468160, 474848, 499840, 519365, 593560, 604352, 699776, 755440, 830984, 863360, 874720, 936320, 949696, 1038730, 1187120, 1208704, 1510880, 1661968, 1749440, 1899392, 2077460, 2374240, 3021760, 3323936, 3498880, 4154920, 4748480, 6043520, 6647872, 8309840, 9496960, 13295744, 16619680, 33239360, 66478720]

約数ペア:

[(1, 66478720), (2, 33239360), (4, 16619680), (5, 13295744), (7, 9496960), (8, 8309840), (10, 6647872), (11, 6043520), (14, 4748480), (16, 4154920), (19, 3498880), (20, 3323936), (22, 3021760), (28, 2374240), (32, 2077460), (35, 1899392), (38, 1749440), (40, 1661968), (44, 1510880), (55, 1208704), (56, 1187120), (64, 1038730), (70, 949696), (71, 936320), (76, 874720), (77, 863360), (80, 830984), (88, 755440), (95, 699776), (110, 604352), (112, 593560), (128, 519365), (133, 499840), (140, 474848), (142, 468160), (152, 437360), (154, 431680), (160, 415492), (176, 377720), (190, 349888), (209, 318080), (220, 302176), (224, 296780), (266, 249920), (280, 237424), (284, 234080), (304, 218680), (308, 215840), (320, 207746), (352, 188860), (355, 187264), (380, 174944), (385, 172672), (418, 159040), (440, 151088), (448, 148390), (497, 133760), (532, 124960), (560, 118712), (568, 117040), (608, 109340), (616, 107920), (640, 103873), (665, 99968), (704, 94430), (710, 93632), (760, 87472), (770, 86336), (781, 85120), (836, 79520), (880, 75544), (896, 74195), (994, 66880), (1045, 63616), (1064, 62480), (1120, 59356), (1136, 58520), (1216, 54670), (1232, 53960), (1330, 49984), (1349, 49280), (1408, 47215), (1420, 46816), (1463, 45440), (1520, 43736), (1540, 43168), (1562, 42560), (1672, 39760), (1760, 37772), (1988, 33440), (2090, 31808), (2128, 31240), (2240, 29678), (2272, 29260), (2432, 27335), (2464, 26980), (2485, 26752), (2660, 24992), (2698, 24640), (2840, 23408), (2926, 22720), (3040, 21868), (3080, 21584), (3124, 21280), (3344, 19880), (3520, 18886), (3905, 17024), (3976, 16720), (4180, 15904), (4256, 15620), (4480, 14839), (4544, 14630), (4928, 13490), (4970, 13376), (5320, 12496), (5396, 12320), (5467, 12160), (5680, 11704), (5852, 11360), (6080, 10934), (6160, 10792), (6248, 10640), (6688, 9940), (6745, 9856), (7040, 9443), (7315, 9088), (7810, 8512), (7952, 8360)]