2178391040

素因数分解:

$2^{10}\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{457}}^1$

素因数の和:515

約数の個数: 264

約数和(自身を含む): 6412677840

約数和(自身を除く): 4234286800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 128, 133, 140, 152, 160, 190, 196, 224, 245, 256, 266, 280, 304, 320, 380, 392, 448, 457, 490, 512, 532, 560, 608, 640, 665, 760, 784, 896, 914, 931, 980, 1024, 1064, 1120, 1216, 1280, 1330, 1520, 1568, 1792, 1828, 1862, 1960, 2128, 2240, 2285, 2432, 2560, 2660, 3040, 3136, 3199, 3584, 3656, 3724, 3920, 4256, 4480, 4570, 4655, 4864, 5120, 5320, 6080, 6272, 6398, 7168, 7312, 7448, 7840, 8512, 8683, 8960, 9140, 9310, 9728, 10640, 12160, 12544, 12796, 14624, 14896, 15680, 15995, 17024, 17366, 17920, 18280, 18620, 19456, 21280, 22393, 24320, 25088, 25592, 29248, 29792, 31360, 31990, 34048, 34732, 35840, 36560, 37240, 42560, 43415, 44786, 48640, 50176, 51184, 58496, 59584, 60781, 62720, 63980, 68096, 69464, 73120, 74480, 85120, 86830, 89572, 97280, 102368, 111965, 116992, 119168, 121562, 125440, 127960, 136192, 138928, 146240, 148960, 170240, 173660, 179144, 204736, 223930, 233984, 238336, 243124, 250880, 255920, 277856, 292480, 297920, 303905, 340480, 347320, 358288, 409472, 425467, 447860, 467968, 476672, 486248, 511840, 555712, 584960, 595840, 607810, 680960, 694640, 716576, 818944, 850934, 895720, 953344, 972496, 1023680, 1111424, 1169920, 1191680, 1215620, 1389280, 1433152, 1637888, 1701868, 1791440, 1944992, 2047360, 2127335, 2222848, 2339840, 2383360, 2431240, 2778560, 2866304, 3275776, 3403736, 3582880, 3889984, 4094720, 4254670, 4445696, 4766720, 4862480, 5557120, 5732608, 6807472, 7165760, 7779968, 8189440, 8509340, 8891392, 9724960, 11114240, 11465216, 13614944, 14331520, 15559936, 16378880, 17018680, 19449920, 22228480, 22930432, 27229888, 28663040, 31119872, 34037360, 38899840, 44456960, 54459776, 57326080, 62239744, 68074720, 77799680, 108919552, 114652160, 136149440, 155599360, 217839104, 272298880, 311198720, 435678208, 544597760, 1089195520, 2178391040]

約数ペア:

[(1, 2178391040), (2, 1089195520), (4, 544597760), (5, 435678208), (7, 311198720), (8, 272298880), (10, 217839104), (14, 155599360), (16, 136149440), (19, 114652160), (20, 108919552), (28, 77799680), (32, 68074720), (35, 62239744), (38, 57326080), (40, 54459776), (49, 44456960), (56, 38899840), (64, 34037360), (70, 31119872), (76, 28663040), (80, 27229888), (95, 22930432), (98, 22228480), (112, 19449920), (128, 17018680), (133, 16378880), (140, 15559936), (152, 14331520), (160, 13614944), (190, 11465216), (196, 11114240), (224, 9724960), (245, 8891392), (256, 8509340), (266, 8189440), (280, 7779968), (304, 7165760), (320, 6807472), (380, 5732608), (392, 5557120), (448, 4862480), (457, 4766720), (490, 4445696), (512, 4254670), (532, 4094720), (560, 3889984), (608, 3582880), (640, 3403736), (665, 3275776), (760, 2866304), (784, 2778560), (896, 2431240), (914, 2383360), (931, 2339840), (980, 2222848), (1024, 2127335), (1064, 2047360), (1120, 1944992), (1216, 1791440), (1280, 1701868), (1330, 1637888), (1520, 1433152), (1568, 1389280), (1792, 1215620), (1828, 1191680), (1862, 1169920), (1960, 1111424), (2128, 1023680), (2240, 972496), (2285, 953344), (2432, 895720), (2560, 850934), (2660, 818944), (3040, 716576), (3136, 694640), (3199, 680960), (3584, 607810), (3656, 595840), (3724, 584960), (3920, 555712), (4256, 511840), (4480, 486248), (4570, 476672), (4655, 467968), (4864, 447860), (5120, 425467), (5320, 409472), (6080, 358288), (6272, 347320), (6398, 340480), (7168, 303905), (7312, 297920), (7448, 292480), (7840, 277856), (8512, 255920), (8683, 250880), (8960, 243124), (9140, 238336), (9310, 233984), (9728, 223930), (10640, 204736), (12160, 179144), (12544, 173660), (12796, 170240), (14624, 148960), (14896, 146240), (15680, 138928), (15995, 136192), (17024, 127960), (17366, 125440), (17920, 121562), (18280, 119168), (18620, 116992), (19456, 111965), (21280, 102368), (22393, 97280), (24320, 89572), (25088, 86830), (25592, 85120), (29248, 74480), (29792, 73120), (31360, 69464), (31990, 68096), (34048, 63980), (34732, 62720), (35840, 60781), (36560, 59584), (37240, 58496), (42560, 51184), (43415, 50176), (44786, 48640)]