428389920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{42499}}^1$

素因数の和:42527

約数の個数: 144

約数和(自身を含む): 1670760000

約数和(自身を除く): 1242370080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 42499, 84998, 127497, 169996, 212495, 254994, 297493, 339992, 382491, 424990, 509988, 594986, 637485, 679984, 764982, 849980, 892479, 1019976, 1189972, 1274970, 1359968, 1487465, 1529964, 1699960, 1784958, 1912455, 2039952, 2379944, 2549940, 2677437, 2974930, 3059928, 3399920, 3569916, 3824910, 4079904, 4462395, 4759888, 5099880, 5354874, 5949860, 6119856, 6799840, 7139832, 7649820, 8924790, 9519776, 10199760, 10709748, 11899720, 12239712, 13387185, 14279664, 15299640, 17849580, 20399520, 21419496, 23799440, 26774370, 28559328, 30599280, 35699160, 42838992, 47598880, 53548740, 61198560, 71398320, 85677984, 107097480, 142796640, 214194960, 428389920]

約数ペア:

[(1, 428389920), (2, 214194960), (3, 142796640), (4, 107097480), (5, 85677984), (6, 71398320), (7, 61198560), (8, 53548740), (9, 47598880), (10, 42838992), (12, 35699160), (14, 30599280), (15, 28559328), (16, 26774370), (18, 23799440), (20, 21419496), (21, 20399520), (24, 17849580), (28, 15299640), (30, 14279664), (32, 13387185), (35, 12239712), (36, 11899720), (40, 10709748), (42, 10199760), (45, 9519776), (48, 8924790), (56, 7649820), (60, 7139832), (63, 6799840), (70, 6119856), (72, 5949860), (80, 5354874), (84, 5099880), (90, 4759888), (96, 4462395), (105, 4079904), (112, 3824910), (120, 3569916), (126, 3399920), (140, 3059928), (144, 2974930), (160, 2677437), (168, 2549940), (180, 2379944), (210, 2039952), (224, 1912455), (240, 1784958), (252, 1699960), (280, 1529964), (288, 1487465), (315, 1359968), (336, 1274970), (360, 1189972), (420, 1019976), (480, 892479), (504, 849980), (560, 764982), (630, 679984), (672, 637485), (720, 594986), (840, 509988), (1008, 424990), (1120, 382491), (1260, 339992), (1440, 297493), (1680, 254994), (2016, 212495), (2520, 169996), (3360, 127497), (5040, 84998), (10080, 42499)]