2257920

素因数分解:

$2^{10}\times 3^2\times 5^1\times 7^2$

素因数の和:45

約数の個数: 198

約数和(自身を含む): 9100962

約数和(自身を除く): 6843042

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 64, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 128, 140, 144, 147, 160, 168, 180, 192, 196, 210, 224, 240, 245, 252, 256, 280, 288, 294, 315, 320, 336, 360, 384, 392, 420, 441, 448, 480, 490, 504, 512, 560, 576, 588, 630, 640, 672, 720, 735, 768, 784, 840, 882, 896, 960, 980, 1008, 1024, 1120, 1152, 1176, 1260, 1280, 1344, 1440, 1470, 1536, 1568, 1680, 1764, 1792, 1920, 1960, 2016, 2205, 2240, 2304, 2352, 2520, 2560, 2688, 2880, 2940, 3072, 3136, 3360, 3528, 3584, 3840, 3920, 4032, 4410, 4480, 4608, 4704, 5040, 5120, 5376, 5760, 5880, 6272, 6720, 7056, 7168, 7680, 7840, 8064, 8820, 8960, 9216, 9408, 10080, 10752, 11520, 11760, 12544, 13440, 14112, 15360, 15680, 16128, 17640, 17920, 18816, 20160, 21504, 23040, 23520, 25088, 26880, 28224, 31360, 32256, 35280, 35840, 37632, 40320, 46080, 47040, 50176, 53760, 56448, 62720, 64512, 70560, 75264, 80640, 94080, 107520, 112896, 125440, 141120, 150528, 161280, 188160, 225792, 250880, 282240, 322560, 376320, 451584, 564480, 752640, 1128960, 2257920]

約数ペア:

[(1, 2257920), (2, 1128960), (3, 752640), (4, 564480), (5, 451584), (6, 376320), (7, 322560), (8, 282240), (9, 250880), (10, 225792), (12, 188160), (14, 161280), (15, 150528), (16, 141120), (18, 125440), (20, 112896), (21, 107520), (24, 94080), (28, 80640), (30, 75264), (32, 70560), (35, 64512), (36, 62720), (40, 56448), (42, 53760), (45, 50176), (48, 47040), (49, 46080), (56, 40320), (60, 37632), (63, 35840), (64, 35280), (70, 32256), (72, 31360), (80, 28224), (84, 26880), (90, 25088), (96, 23520), (98, 23040), (105, 21504), (112, 20160), (120, 18816), (126, 17920), (128, 17640), (140, 16128), (144, 15680), (147, 15360), (160, 14112), (168, 13440), (180, 12544), (192, 11760), (196, 11520), (210, 10752), (224, 10080), (240, 9408), (245, 9216), (252, 8960), (256, 8820), (280, 8064), (288, 7840), (294, 7680), (315, 7168), (320, 7056), (336, 6720), (360, 6272), (384, 5880), (392, 5760), (420, 5376), (441, 5120), (448, 5040), (480, 4704), (490, 4608), (504, 4480), (512, 4410), (560, 4032), (576, 3920), (588, 3840), (630, 3584), (640, 3528), (672, 3360), (720, 3136), (735, 3072), (768, 2940), (784, 2880), (840, 2688), (882, 2560), (896, 2520), (960, 2352), (980, 2304), (1008, 2240), (1024, 2205), (1120, 2016), (1152, 1960), (1176, 1920), (1260, 1792), (1280, 1764), (1344, 1680), (1440, 1568), (1470, 1536)]