208508520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1153}}^1$

素因数の和:1315

約数の個数: 128

約数和(自身を含む): 687968640

約数和(自身を除く): 479460120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 137, 165, 220, 264, 274, 330, 411, 440, 548, 660, 685, 822, 1096, 1153, 1320, 1370, 1507, 1644, 2055, 2306, 2740, 3014, 3288, 3459, 4110, 4521, 4612, 5480, 5765, 6028, 6918, 7535, 8220, 9042, 9224, 11530, 12056, 12683, 13836, 15070, 16440, 17295, 18084, 22605, 23060, 25366, 27672, 30140, 34590, 36168, 38049, 45210, 46120, 50732, 60280, 63415, 69180, 76098, 90420, 101464, 126830, 138360, 152196, 157961, 180840, 190245, 253660, 304392, 315922, 380490, 473883, 507320, 631844, 760980, 789805, 947766, 1263688, 1521960, 1579610, 1737571, 1895532, 2369415, 3159220, 3475142, 3791064, 4738830, 5212713, 6318440, 6950284, 8687855, 9477660, 10425426, 13900568, 17375710, 18955320, 20850852, 26063565, 34751420, 41701704, 52127130, 69502840, 104254260, 208508520]

約数ペア:

[(1, 208508520), (2, 104254260), (3, 69502840), (4, 52127130), (5, 41701704), (6, 34751420), (8, 26063565), (10, 20850852), (11, 18955320), (12, 17375710), (15, 13900568), (20, 10425426), (22, 9477660), (24, 8687855), (30, 6950284), (33, 6318440), (40, 5212713), (44, 4738830), (55, 3791064), (60, 3475142), (66, 3159220), (88, 2369415), (110, 1895532), (120, 1737571), (132, 1579610), (137, 1521960), (165, 1263688), (220, 947766), (264, 789805), (274, 760980), (330, 631844), (411, 507320), (440, 473883), (548, 380490), (660, 315922), (685, 304392), (822, 253660), (1096, 190245), (1153, 180840), (1320, 157961), (1370, 152196), (1507, 138360), (1644, 126830), (2055, 101464), (2306, 90420), (2740, 76098), (3014, 69180), (3288, 63415), (3459, 60280), (4110, 50732), (4521, 46120), (4612, 45210), (5480, 38049), (5765, 36168), (6028, 34590), (6918, 30140), (7535, 27672), (8220, 25366), (9042, 23060), (9224, 22605), (11530, 18084), (12056, 17295), (12683, 16440), (13836, 15070)]