15867180

素因数分解:

$2^2\times 3^2\times 5^1\times 7^3\times {\mathrm{257}}^1$

素因数の和:293

約数の個数: 144

約数和(自身を含む): 56347200

約数和(自身を除く): 40480020

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, 257, 294, 315, 343, 420, 441, 490, 514, 588, 630, 686, 735, 771, 882, 980, 1028, 1029, 1260, 1285, 1372, 1470, 1542, 1715, 1764, 1799, 2058, 2205, 2313, 2570, 2940, 3084, 3087, 3430, 3598, 3855, 4116, 4410, 4626, 5140, 5145, 5397, 6174, 6860, 7196, 7710, 8820, 8995, 9252, 10290, 10794, 11565, 12348, 12593, 15420, 15435, 16191, 17990, 20580, 21588, 23130, 25186, 26985, 30870, 32382, 35980, 37779, 46260, 50372, 53970, 61740, 62965, 64764, 75558, 80955, 88151, 107940, 113337, 125930, 151116, 161910, 176302, 188895, 226674, 251860, 264453, 323820, 352604, 377790, 440755, 453348, 528906, 566685, 755580, 793359, 881510, 1057812, 1133370, 1322265, 1586718, 1763020, 2266740, 2644530, 3173436, 3966795, 5289060, 7933590, 15867180]

約数ペア:

[(1, 15867180), (2, 7933590), (3, 5289060), (4, 3966795), (5, 3173436), (6, 2644530), (7, 2266740), (9, 1763020), (10, 1586718), (12, 1322265), (14, 1133370), (15, 1057812), (18, 881510), (20, 793359), (21, 755580), (28, 566685), (30, 528906), (35, 453348), (36, 440755), (42, 377790), (45, 352604), (49, 323820), (60, 264453), (63, 251860), (70, 226674), (84, 188895), (90, 176302), (98, 161910), (105, 151116), (126, 125930), (140, 113337), (147, 107940), (180, 88151), (196, 80955), (210, 75558), (245, 64764), (252, 62965), (257, 61740), (294, 53970), (315, 50372), (343, 46260), (420, 37779), (441, 35980), (490, 32382), (514, 30870), (588, 26985), (630, 25186), (686, 23130), (735, 21588), (771, 20580), (882, 17990), (980, 16191), (1028, 15435), (1029, 15420), (1260, 12593), (1285, 12348), (1372, 11565), (1470, 10794), (1542, 10290), (1715, 9252), (1764, 8995), (1799, 8820), (2058, 7710), (2205, 7196), (2313, 6860), (2570, 6174), (2940, 5397), (3084, 5145), (3087, 5140), (3430, 4626), (3598, 4410), (3855, 4116)]