39889920

素因数分解:

$2^{10}\times 3^1\times 5^1\times 7^2\times {\mathrm{53}}^1$

素因数の和:95

約数の個数: 264

約数和(自身を含む): 151215984

約数和(自身を除く): 111326064

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, 49, 53, 56, 60, 64, 70, 80, 84, 96, 98, 105, 106, 112, 120, 128, 140, 147, 159, 160, 168, 192, 196, 210, 212, 224, 240, 245, 256, 265, 280, 294, 318, 320, 336, 371, 384, 392, 420, 424, 448, 480, 490, 512, 530, 560, 588, 636, 640, 672, 735, 742, 768, 784, 795, 840, 848, 896, 960, 980, 1024, 1060, 1113, 1120, 1176, 1272, 1280, 1344, 1470, 1484, 1536, 1568, 1590, 1680, 1696, 1792, 1855, 1920, 1960, 2120, 2226, 2240, 2352, 2544, 2560, 2597, 2688, 2940, 2968, 3072, 3136, 3180, 3360, 3392, 3584, 3710, 3840, 3920, 4240, 4452, 4480, 4704, 5088, 5120, 5194, 5376, 5565, 5880, 5936, 6272, 6360, 6720, 6784, 7168, 7420, 7680, 7791, 7840, 8480, 8904, 8960, 9408, 10176, 10388, 10752, 11130, 11760, 11872, 12544, 12720, 12985, 13440, 13568, 14840, 15360, 15582, 15680, 16960, 17808, 17920, 18816, 20352, 20776, 21504, 22260, 23520, 23744, 25088, 25440, 25970, 26880, 27136, 29680, 31164, 31360, 33920, 35616, 35840, 37632, 38955, 40704, 41552, 44520, 47040, 47488, 50176, 50880, 51940, 53760, 54272, 59360, 62328, 62720, 67840, 71232, 75264, 77910, 81408, 83104, 89040, 94080, 94976, 101760, 103880, 107520, 118720, 124656, 125440, 135680, 142464, 150528, 155820, 162816, 166208, 178080, 188160, 189952, 203520, 207760, 237440, 249312, 250880, 271360, 284928, 311640, 332416, 356160, 376320, 379904, 407040, 415520, 474880, 498624, 569856, 623280, 664832, 712320, 752640, 814080, 831040, 949760, 997248, 1139712, 1246560, 1329664, 1424640, 1662080, 1899520, 1994496, 2493120, 2659328, 2849280, 3324160, 3988992, 4986240, 5698560, 6648320, 7977984, 9972480, 13296640, 19944960, 39889920]

約数ペア:

[(1, 39889920), (2, 19944960), (3, 13296640), (4, 9972480), (5, 7977984), (6, 6648320), (7, 5698560), (8, 4986240), (10, 3988992), (12, 3324160), (14, 2849280), (15, 2659328), (16, 2493120), (20, 1994496), (21, 1899520), (24, 1662080), (28, 1424640), (30, 1329664), (32, 1246560), (35, 1139712), (40, 997248), (42, 949760), (48, 831040), (49, 814080), (53, 752640), (56, 712320), (60, 664832), (64, 623280), (70, 569856), (80, 498624), (84, 474880), (96, 415520), (98, 407040), (105, 379904), (106, 376320), (112, 356160), (120, 332416), (128, 311640), (140, 284928), (147, 271360), (159, 250880), (160, 249312), (168, 237440), (192, 207760), (196, 203520), (210, 189952), (212, 188160), (224, 178080), (240, 166208), (245, 162816), (256, 155820), (265, 150528), (280, 142464), (294, 135680), (318, 125440), (320, 124656), (336, 118720), (371, 107520), (384, 103880), (392, 101760), (420, 94976), (424, 94080), (448, 89040), (480, 83104), (490, 81408), (512, 77910), (530, 75264), (560, 71232), (588, 67840), (636, 62720), (640, 62328), (672, 59360), (735, 54272), (742, 53760), (768, 51940), (784, 50880), (795, 50176), (840, 47488), (848, 47040), (896, 44520), (960, 41552), (980, 40704), (1024, 38955), (1060, 37632), (1113, 35840), (1120, 35616), (1176, 33920), (1272, 31360), (1280, 31164), (1344, 29680), (1470, 27136), (1484, 26880), (1536, 25970), (1568, 25440), (1590, 25088), (1680, 23744), (1696, 23520), (1792, 22260), (1855, 21504), (1920, 20776), (1960, 20352), (2120, 18816), (2226, 17920), (2240, 17808), (2352, 16960), (2544, 15680), (2560, 15582), (2597, 15360), (2688, 14840), (2940, 13568), (2968, 13440), (3072, 12985), (3136, 12720), (3180, 12544), (3360, 11872), (3392, 11760), (3584, 11130), (3710, 10752), (3840, 10388), (3920, 10176), (4240, 9408), (4452, 8960), (4480, 8904), (4704, 8480), (5088, 7840), (5120, 7791), (5194, 7680), (5376, 7420), (5565, 7168), (5880, 6784), (5936, 6720), (6272, 6360)]