251514240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{1297}}^1$

素因数の和:1420

約数の個数: 128

約数和(自身を含む): 810263520

約数和(自身を除く): 558749280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 101, 120, 128, 160, 192, 202, 240, 303, 320, 384, 404, 480, 505, 606, 640, 808, 960, 1010, 1212, 1297, 1515, 1616, 1920, 2020, 2424, 2594, 3030, 3232, 3891, 4040, 4848, 5188, 6060, 6464, 6485, 7782, 8080, 9696, 10376, 12120, 12928, 12970, 15564, 16160, 19392, 19455, 20752, 24240, 25940, 31128, 32320, 38784, 38910, 41504, 48480, 51880, 62256, 64640, 77820, 83008, 96960, 103760, 124512, 130997, 155640, 166016, 193920, 207520, 249024, 261994, 311280, 392991, 415040, 498048, 523988, 622560, 654985, 785982, 830080, 1047976, 1245120, 1309970, 1571964, 1964955, 2095952, 2490240, 2619940, 3143928, 3929910, 4191904, 5239880, 6287856, 7859820, 8383808, 10479760, 12575712, 15719640, 16767616, 20959520, 25151424, 31439280, 41919040, 50302848, 62878560, 83838080, 125757120, 251514240]

約数ペア:

[(1, 251514240), (2, 125757120), (3, 83838080), (4, 62878560), (5, 50302848), (6, 41919040), (8, 31439280), (10, 25151424), (12, 20959520), (15, 16767616), (16, 15719640), (20, 12575712), (24, 10479760), (30, 8383808), (32, 7859820), (40, 6287856), (48, 5239880), (60, 4191904), (64, 3929910), (80, 3143928), (96, 2619940), (101, 2490240), (120, 2095952), (128, 1964955), (160, 1571964), (192, 1309970), (202, 1245120), (240, 1047976), (303, 830080), (320, 785982), (384, 654985), (404, 622560), (480, 523988), (505, 498048), (606, 415040), (640, 392991), (808, 311280), (960, 261994), (1010, 249024), (1212, 207520), (1297, 193920), (1515, 166016), (1616, 155640), (1920, 130997), (2020, 124512), (2424, 103760), (2594, 96960), (3030, 83008), (3232, 77820), (3891, 64640), (4040, 62256), (4848, 51880), (5188, 48480), (6060, 41504), (6464, 38910), (6485, 38784), (7782, 32320), (8080, 31128), (9696, 25940), (10376, 24240), (12120, 20752), (12928, 19455), (12970, 19392), (15564, 16160)]