81899520

素因数分解:

$2^{12}\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 208

約数和(自身を含む): 276790272

約数和(自身を除く): 194890752

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 43, 48, 60, 62, 64, 80, 86, 93, 96, 120, 124, 128, 129, 155, 160, 172, 186, 192, 215, 240, 248, 256, 258, 310, 320, 344, 372, 384, 430, 465, 480, 496, 512, 516, 620, 640, 645, 688, 744, 768, 860, 930, 960, 992, 1024, 1032, 1240, 1280, 1290, 1333, 1376, 1488, 1536, 1720, 1860, 1920, 1984, 2048, 2064, 2480, 2560, 2580, 2666, 2752, 2976, 3072, 3440, 3720, 3840, 3968, 3999, 4096, 4128, 4960, 5120, 5160, 5332, 5504, 5952, 6144, 6665, 6880, 7440, 7680, 7936, 7998, 8256, 9920, 10240, 10320, 10664, 11008, 11904, 12288, 13330, 13760, 14880, 15360, 15872, 15996, 16512, 19840, 19995, 20480, 20640, 21328, 22016, 23808, 26660, 27520, 29760, 30720, 31744, 31992, 33024, 39680, 39990, 41280, 42656, 44032, 47616, 53320, 55040, 59520, 61440, 63488, 63984, 66048, 79360, 79980, 82560, 85312, 88064, 95232, 106640, 110080, 119040, 126976, 127968, 132096, 158720, 159960, 165120, 170624, 176128, 190464, 213280, 220160, 238080, 255936, 264192, 317440, 319920, 330240, 341248, 380928, 426560, 440320, 476160, 511872, 528384, 634880, 639840, 660480, 682496, 853120, 880640, 952320, 1023744, 1279680, 1320960, 1364992, 1706240, 1904640, 2047488, 2559360, 2641920, 2729984, 3412480, 4094976, 5118720, 5459968, 6824960, 8189952, 10237440, 13649920, 16379904, 20474880, 27299840, 40949760, 81899520]

約数ペア:

[(1, 81899520), (2, 40949760), (3, 27299840), (4, 20474880), (5, 16379904), (6, 13649920), (8, 10237440), (10, 8189952), (12, 6824960), (15, 5459968), (16, 5118720), (20, 4094976), (24, 3412480), (30, 2729984), (31, 2641920), (32, 2559360), (40, 2047488), (43, 1904640), (48, 1706240), (60, 1364992), (62, 1320960), (64, 1279680), (80, 1023744), (86, 952320), (93, 880640), (96, 853120), (120, 682496), (124, 660480), (128, 639840), (129, 634880), (155, 528384), (160, 511872), (172, 476160), (186, 440320), (192, 426560), (215, 380928), (240, 341248), (248, 330240), (256, 319920), (258, 317440), (310, 264192), (320, 255936), (344, 238080), (372, 220160), (384, 213280), (430, 190464), (465, 176128), (480, 170624), (496, 165120), (512, 159960), (516, 158720), (620, 132096), (640, 127968), (645, 126976), (688, 119040), (744, 110080), (768, 106640), (860, 95232), (930, 88064), (960, 85312), (992, 82560), (1024, 79980), (1032, 79360), (1240, 66048), (1280, 63984), (1290, 63488), (1333, 61440), (1376, 59520), (1488, 55040), (1536, 53320), (1720, 47616), (1860, 44032), (1920, 42656), (1984, 41280), (2048, 39990), (2064, 39680), (2480, 33024), (2560, 31992), (2580, 31744), (2666, 30720), (2752, 29760), (2976, 27520), (3072, 26660), (3440, 23808), (3720, 22016), (3840, 21328), (3968, 20640), (3999, 20480), (4096, 19995), (4128, 19840), (4960, 16512), (5120, 15996), (5160, 15872), (5332, 15360), (5504, 14880), (5952, 13760), (6144, 13330), (6665, 12288), (6880, 11904), (7440, 11008), (7680, 10664), (7936, 10320), (7998, 10240), (8256, 9920)]