90709920

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{8999}}^1$

素因数の和:9027

約数の個数: 144

約数和(自身を含む): 353808000

約数和(自身を除く): 263098080

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, 8999, 10080, 17998, 26997, 35996, 44995, 53994, 62993, 71992, 80991, 89990, 107988, 125986, 134985, 143984, 161982, 179980, 188979, 215976, 251972, 269970, 287968, 314965, 323964, 359960, 377958, 404955, 431952, 503944, 539940, 566937, 629930, 647928, 719920, 755916, 809910, 863904, 944895, 1007888, 1079880, 1133874, 1259860, 1295856, 1439840, 1511832, 1619820, 1889790, 2015776, 2159760, 2267748, 2519720, 2591712, 2834685, 3023664, 3239640, 3779580, 4319520, 4535496, 5039440, 5669370, 6047328, 6479280, 7559160, 9070992, 10078880, 11338740, 12958560, 15118320, 18141984, 22677480, 30236640, 45354960, 90709920]

約数ペア:

[(1, 90709920), (2, 45354960), (3, 30236640), (4, 22677480), (5, 18141984), (6, 15118320), (7, 12958560), (8, 11338740), (9, 10078880), (10, 9070992), (12, 7559160), (14, 6479280), (15, 6047328), (16, 5669370), (18, 5039440), (20, 4535496), (21, 4319520), (24, 3779580), (28, 3239640), (30, 3023664), (32, 2834685), (35, 2591712), (36, 2519720), (40, 2267748), (42, 2159760), (45, 2015776), (48, 1889790), (56, 1619820), (60, 1511832), (63, 1439840), (70, 1295856), (72, 1259860), (80, 1133874), (84, 1079880), (90, 1007888), (96, 944895), (105, 863904), (112, 809910), (120, 755916), (126, 719920), (140, 647928), (144, 629930), (160, 566937), (168, 539940), (180, 503944), (210, 431952), (224, 404955), (240, 377958), (252, 359960), (280, 323964), (288, 314965), (315, 287968), (336, 269970), (360, 251972), (420, 215976), (480, 188979), (504, 179980), (560, 161982), (630, 143984), (672, 134985), (720, 125986), (840, 107988), (1008, 89990), (1120, 80991), (1260, 71992), (1440, 62993), (1680, 53994), (2016, 44995), (2520, 35996), (3360, 26997), (5040, 17998), (8999, 10080)]