420188160

素因数分解:

$2^{12}\times 3^1\times 5^1\times 7^1\times {\mathrm{977}}^1$

素因数の和:1016

約数の個数: 208

約数和(自身を含む): 1538073216

約数和(自身を除く): 1117885056

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 512, 560, 640, 672, 768, 840, 896, 960, 977, 1024, 1120, 1280, 1344, 1536, 1680, 1792, 1920, 1954, 2048, 2240, 2560, 2688, 2931, 3072, 3360, 3584, 3840, 3908, 4096, 4480, 4885, 5120, 5376, 5862, 6144, 6720, 6839, 7168, 7680, 7816, 8960, 9770, 10240, 10752, 11724, 12288, 13440, 13678, 14336, 14655, 15360, 15632, 17920, 19540, 20480, 20517, 21504, 23448, 26880, 27356, 28672, 29310, 30720, 31264, 34195, 35840, 39080, 41034, 43008, 46896, 53760, 54712, 58620, 61440, 62528, 68390, 71680, 78160, 82068, 86016, 93792, 102585, 107520, 109424, 117240, 125056, 136780, 143360, 156320, 164136, 187584, 205170, 215040, 218848, 234480, 250112, 273560, 312640, 328272, 375168, 410340, 430080, 437696, 468960, 500224, 547120, 625280, 656544, 750336, 820680, 875392, 937920, 1000448, 1094240, 1250560, 1313088, 1500672, 1641360, 1750784, 1875840, 2000896, 2188480, 2501120, 2626176, 3001344, 3282720, 3501568, 3751680, 4001792, 4376960, 5002240, 5252352, 6002688, 6565440, 7003136, 7503360, 8753920, 10004480, 10504704, 12005376, 13130880, 14006272, 15006720, 17507840, 20008960, 21009408, 26261760, 28012544, 30013440, 35015680, 42018816, 52523520, 60026880, 70031360, 84037632, 105047040, 140062720, 210094080, 420188160]

約数ペア:

[(1, 420188160), (2, 210094080), (3, 140062720), (4, 105047040), (5, 84037632), (6, 70031360), (7, 60026880), (8, 52523520), (10, 42018816), (12, 35015680), (14, 30013440), (15, 28012544), (16, 26261760), (20, 21009408), (21, 20008960), (24, 17507840), (28, 15006720), (30, 14006272), (32, 13130880), (35, 12005376), (40, 10504704), (42, 10004480), (48, 8753920), (56, 7503360), (60, 7003136), (64, 6565440), (70, 6002688), (80, 5252352), (84, 5002240), (96, 4376960), (105, 4001792), (112, 3751680), (120, 3501568), (128, 3282720), (140, 3001344), (160, 2626176), (168, 2501120), (192, 2188480), (210, 2000896), (224, 1875840), (240, 1750784), (256, 1641360), (280, 1500672), (320, 1313088), (336, 1250560), (384, 1094240), (420, 1000448), (448, 937920), (480, 875392), (512, 820680), (560, 750336), (640, 656544), (672, 625280), (768, 547120), (840, 500224), (896, 468960), (960, 437696), (977, 430080), (1024, 410340), (1120, 375168), (1280, 328272), (1344, 312640), (1536, 273560), (1680, 250112), (1792, 234480), (1920, 218848), (1954, 215040), (2048, 205170), (2240, 187584), (2560, 164136), (2688, 156320), (2931, 143360), (3072, 136780), (3360, 125056), (3584, 117240), (3840, 109424), (3908, 107520), (4096, 102585), (4480, 93792), (4885, 86016), (5120, 82068), (5376, 78160), (5862, 71680), (6144, 68390), (6720, 62528), (6839, 61440), (7168, 58620), (7680, 54712), (7816, 53760), (8960, 46896), (9770, 43008), (10240, 41034), (10752, 39080), (11724, 35840), (12288, 34195), (13440, 31264), (13678, 30720), (14336, 29310), (14655, 28672), (15360, 27356), (15632, 26880), (17920, 23448), (19540, 21504), (20480, 20517)]