30808260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{499}}^1$

素因数の和:535

約数の個数: 144

約数和(自身を含む): 109200000

約数和(自身を除く): 78391740

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, 499, 588, 630, 686, 735, 882, 980, 998, 1029, 1260, 1372, 1470, 1497, 1715, 1764, 1996, 2058, 2205, 2495, 2940, 2994, 3087, 3430, 3493, 4116, 4410, 4491, 4990, 5145, 5988, 6174, 6860, 6986, 7485, 8820, 8982, 9980, 10290, 10479, 12348, 13972, 14970, 15435, 17465, 17964, 20580, 20958, 22455, 24451, 29940, 30870, 31437, 34930, 41916, 44910, 48902, 52395, 61740, 62874, 69860, 73353, 89820, 97804, 104790, 122255, 125748, 146706, 157185, 171157, 209580, 220059, 244510, 293412, 314370, 342314, 366765, 440118, 489020, 513471, 628740, 684628, 733530, 855785, 880236, 1026942, 1100295, 1467060, 1540413, 1711570, 2053884, 2200590, 2567355, 3080826, 3423140, 4401180, 5134710, 6161652, 7702065, 10269420, 15404130, 30808260]

約数ペア:

[(1, 30808260), (2, 15404130), (3, 10269420), (4, 7702065), (5, 6161652), (6, 5134710), (7, 4401180), (9, 3423140), (10, 3080826), (12, 2567355), (14, 2200590), (15, 2053884), (18, 1711570), (20, 1540413), (21, 1467060), (28, 1100295), (30, 1026942), (35, 880236), (36, 855785), (42, 733530), (45, 684628), (49, 628740), (60, 513471), (63, 489020), (70, 440118), (84, 366765), (90, 342314), (98, 314370), (105, 293412), (126, 244510), (140, 220059), (147, 209580), (180, 171157), (196, 157185), (210, 146706), (245, 125748), (252, 122255), (294, 104790), (315, 97804), (343, 89820), (420, 73353), (441, 69860), (490, 62874), (499, 61740), (588, 52395), (630, 48902), (686, 44910), (735, 41916), (882, 34930), (980, 31437), (998, 30870), (1029, 29940), (1260, 24451), (1372, 22455), (1470, 20958), (1497, 20580), (1715, 17964), (1764, 17465), (1996, 15435), (2058, 14970), (2205, 13972), (2495, 12348), (2940, 10479), (2994, 10290), (3087, 9980), (3430, 8982), (3493, 8820), (4116, 7485), (4410, 6986), (4491, 6860), (4990, 6174), (5145, 5988)]