157498740

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{2551}}^1$

素因数の和:2587

約数の個数: 144

約数和(自身を含む): 557356800

約数和(自身を除く): 399858060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 343, 420, 441, 490, 588, 630, 686, 735, 882, 980, 1029, 1260, 1372, 1470, 1715, 1764, 2058, 2205, 2551, 2940, 3087, 3430, 4116, 4410, 5102, 5145, 6174, 6860, 7653, 8820, 10204, 10290, 12348, 12755, 15306, 15435, 17857, 20580, 22959, 25510, 30612, 30870, 35714, 38265, 45918, 51020, 53571, 61740, 71428, 76530, 89285, 91836, 107142, 114795, 124999, 153060, 160713, 178570, 214284, 229590, 249998, 267855, 321426, 357140, 374997, 459180, 499996, 535710, 624995, 642852, 749994, 803565, 874993, 1071420, 1124991, 1249990, 1499988, 1607130, 1749986, 1874985, 2249982, 2499980, 2624979, 3214260, 3499972, 3749970, 4374965, 4499964, 5249958, 5624955, 7499940, 7874937, 8749930, 10499916, 11249910, 13124895, 15749874, 17499860, 22499820, 26249790, 31499748, 39374685, 52499580, 78749370, 157498740]

約数ペア:

[(1, 157498740), (2, 78749370), (3, 52499580), (4, 39374685), (5, 31499748), (6, 26249790), (7, 22499820), (9, 17499860), (10, 15749874), (12, 13124895), (14, 11249910), (15, 10499916), (18, 8749930), (20, 7874937), (21, 7499940), (28, 5624955), (30, 5249958), (35, 4499964), (36, 4374965), (42, 3749970), (45, 3499972), (49, 3214260), (60, 2624979), (63, 2499980), (70, 2249982), (84, 1874985), (90, 1749986), (98, 1607130), (105, 1499988), (126, 1249990), (140, 1124991), (147, 1071420), (180, 874993), (196, 803565), (210, 749994), (245, 642852), (252, 624995), (294, 535710), (315, 499996), (343, 459180), (420, 374997), (441, 357140), (490, 321426), (588, 267855), (630, 249998), (686, 229590), (735, 214284), (882, 178570), (980, 160713), (1029, 153060), (1260, 124999), (1372, 114795), (1470, 107142), (1715, 91836), (1764, 89285), (2058, 76530), (2205, 71428), (2551, 61740), (2940, 53571), (3087, 51020), (3430, 45918), (4116, 38265), (4410, 35714), (5102, 30870), (5145, 30612), (6174, 25510), (6860, 22959), (7653, 20580), (8820, 17857), (10204, 15435), (10290, 15306), (12348, 12755)]