258558720

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{9619}}^1$

素因数の和:9650

約数の個数: 144

約数和(自身を含む): 943837440

約数和(自身を除く): 685278720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 9619, 13440, 19238, 26880, 28857, 38476, 48095, 57714, 67333, 76952, 96190, 115428, 134666, 144285, 153904, 192380, 201999, 230856, 269332, 288570, 307808, 336665, 384760, 403998, 461712, 538664, 577140, 615616, 673330, 769520, 807996, 923424, 1009995, 1077328, 1154280, 1231232, 1346660, 1539040, 1615992, 1846848, 2019990, 2154656, 2308560, 2462464, 2693320, 3078080, 3231984, 3693696, 4039980, 4309312, 4617120, 5386640, 6156160, 6463968, 7387392, 8079960, 8618624, 9234240, 10773280, 12312320, 12927936, 16159920, 17237248, 18468480, 21546560, 25855872, 32319840, 36936960, 43093120, 51711744, 64639680, 86186240, 129279360, 258558720]

約数ペア:

[(1, 258558720), (2, 129279360), (3, 86186240), (4, 64639680), (5, 51711744), (6, 43093120), (7, 36936960), (8, 32319840), (10, 25855872), (12, 21546560), (14, 18468480), (15, 17237248), (16, 16159920), (20, 12927936), (21, 12312320), (24, 10773280), (28, 9234240), (30, 8618624), (32, 8079960), (35, 7387392), (40, 6463968), (42, 6156160), (48, 5386640), (56, 4617120), (60, 4309312), (64, 4039980), (70, 3693696), (80, 3231984), (84, 3078080), (96, 2693320), (105, 2462464), (112, 2308560), (120, 2154656), (128, 2019990), (140, 1846848), (160, 1615992), (168, 1539040), (192, 1346660), (210, 1231232), (224, 1154280), (240, 1077328), (256, 1009995), (280, 923424), (320, 807996), (336, 769520), (384, 673330), (420, 615616), (448, 577140), (480, 538664), (560, 461712), (640, 403998), (672, 384760), (768, 336665), (840, 307808), (896, 288570), (960, 269332), (1120, 230856), (1280, 201999), (1344, 192380), (1680, 153904), (1792, 144285), (1920, 134666), (2240, 115428), (2688, 96190), (3360, 76952), (3840, 67333), (4480, 57714), (5376, 48095), (6720, 38476), (8960, 28857), (9619, 26880), (13440, 19238)]