209507760

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3779}}^1$

素因数の和:3816

約数の個数: 240

約数和(自身を含む): 877443840

約数和(自身を除く): 667936080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 14, 15, 16, 18, 20, 21, 22, 24, 28, 30, 33, 35, 36, 40, 42, 44, 45, 48, 55, 56, 60, 63, 66, 70, 72, 77, 80, 84, 88, 90, 99, 105, 110, 112, 120, 126, 132, 140, 144, 154, 165, 168, 176, 180, 198, 210, 220, 231, 240, 252, 264, 280, 308, 315, 330, 336, 360, 385, 396, 420, 440, 462, 495, 504, 528, 560, 616, 630, 660, 693, 720, 770, 792, 840, 880, 924, 990, 1008, 1155, 1232, 1260, 1320, 1386, 1540, 1584, 1680, 1848, 1980, 2310, 2520, 2640, 2772, 3080, 3465, 3696, 3779, 3960, 4620, 5040, 5544, 6160, 6930, 7558, 7920, 9240, 11088, 11337, 13860, 15116, 18480, 18895, 22674, 26453, 27720, 30232, 34011, 37790, 41569, 45348, 52906, 55440, 56685, 60464, 68022, 75580, 79359, 83138, 90696, 105812, 113370, 124707, 132265, 136044, 151160, 158718, 166276, 170055, 181392, 207845, 211624, 226740, 238077, 249414, 264530, 272088, 290983, 302320, 317436, 332552, 340110, 374121, 396795, 415690, 423248, 453480, 476154, 498828, 529060, 544176, 581966, 623535, 634872, 665104, 680220, 748242, 793590, 831380, 872949, 906960, 952308, 997656, 1058120, 1163932, 1190385, 1247070, 1269744, 1360440, 1454915, 1496484, 1587180, 1662760, 1745898, 1870605, 1904616, 1995312, 2116240, 2327864, 2380770, 2494140, 2618847, 2720880, 2909830, 2992968, 3174360, 3325520, 3491796, 3741210, 3809232, 4364745, 4655728, 4761540, 4988280, 5237694, 5819660, 5985936, 6348720, 6983592, 7482420, 8729490, 9523080, 9976560, 10475388, 11639320, 13094235, 13967184, 14964840, 17458980, 19046160, 20950776, 23278640, 26188470, 29929680, 34917960, 41901552, 52376940, 69835920, 104753880, 209507760]

約数ペア:

[(1, 209507760), (2, 104753880), (3, 69835920), (4, 52376940), (5, 41901552), (6, 34917960), (7, 29929680), (8, 26188470), (9, 23278640), (10, 20950776), (11, 19046160), (12, 17458980), (14, 14964840), (15, 13967184), (16, 13094235), (18, 11639320), (20, 10475388), (21, 9976560), (22, 9523080), (24, 8729490), (28, 7482420), (30, 6983592), (33, 6348720), (35, 5985936), (36, 5819660), (40, 5237694), (42, 4988280), (44, 4761540), (45, 4655728), (48, 4364745), (55, 3809232), (56, 3741210), (60, 3491796), (63, 3325520), (66, 3174360), (70, 2992968), (72, 2909830), (77, 2720880), (80, 2618847), (84, 2494140), (88, 2380770), (90, 2327864), (99, 2116240), (105, 1995312), (110, 1904616), (112, 1870605), (120, 1745898), (126, 1662760), (132, 1587180), (140, 1496484), (144, 1454915), (154, 1360440), (165, 1269744), (168, 1247070), (176, 1190385), (180, 1163932), (198, 1058120), (210, 997656), (220, 952308), (231, 906960), (240, 872949), (252, 831380), (264, 793590), (280, 748242), (308, 680220), (315, 665104), (330, 634872), (336, 623535), (360, 581966), (385, 544176), (396, 529060), (420, 498828), (440, 476154), (462, 453480), (495, 423248), (504, 415690), (528, 396795), (560, 374121), (616, 340110), (630, 332552), (660, 317436), (693, 302320), (720, 290983), (770, 272088), (792, 264530), (840, 249414), (880, 238077), (924, 226740), (990, 211624), (1008, 207845), (1155, 181392), (1232, 170055), (1260, 166276), (1320, 158718), (1386, 151160), (1540, 136044), (1584, 132265), (1680, 124707), (1848, 113370), (1980, 105812), (2310, 90696), (2520, 83138), (2640, 79359), (2772, 75580), (3080, 68022), (3465, 60464), (3696, 56685), (3779, 55440), (3960, 52906), (4620, 45348), (5040, 41569), (5544, 37790), (6160, 34011), (6930, 30232), (7558, 27720), (7920, 26453), (9240, 22674), (11088, 18895), (11337, 18480), (13860, 15116)]