305307520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2963}}^1$

素因数の和:3012

約数の個数: 128

約数和(自身を含む): 870704640

約数和(自身を除く): 565397120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 640, 644, 736, 805, 896, 920, 1120, 1288, 1472, 1610, 1840, 2240, 2576, 2944, 2963, 3220, 3680, 4480, 5152, 5926, 6440, 7360, 10304, 11852, 12880, 14720, 14815, 20608, 20741, 23704, 25760, 29630, 41482, 47408, 51520, 59260, 68149, 82964, 94816, 103040, 103705, 118520, 136298, 165928, 189632, 207410, 237040, 272596, 331856, 340745, 379264, 414820, 474080, 477043, 545192, 663712, 681490, 829640, 948160, 954086, 1090384, 1327424, 1362980, 1659280, 1896320, 1908172, 2180768, 2385215, 2654848, 2725960, 3318560, 3816344, 4361536, 4770430, 5451920, 6637120, 7632688, 8723072, 9540860, 10903840, 13274240, 15265376, 19081720, 21807680, 30530752, 38163440, 43615360, 61061504, 76326880, 152653760, 305307520]

約数ペア:

[(1, 305307520), (2, 152653760), (4, 76326880), (5, 61061504), (7, 43615360), (8, 38163440), (10, 30530752), (14, 21807680), (16, 19081720), (20, 15265376), (23, 13274240), (28, 10903840), (32, 9540860), (35, 8723072), (40, 7632688), (46, 6637120), (56, 5451920), (64, 4770430), (70, 4361536), (80, 3816344), (92, 3318560), (112, 2725960), (115, 2654848), (128, 2385215), (140, 2180768), (160, 1908172), (161, 1896320), (184, 1659280), (224, 1362980), (230, 1327424), (280, 1090384), (320, 954086), (322, 948160), (368, 829640), (448, 681490), (460, 663712), (560, 545192), (640, 477043), (644, 474080), (736, 414820), (805, 379264), (896, 340745), (920, 331856), (1120, 272596), (1288, 237040), (1472, 207410), (1610, 189632), (1840, 165928), (2240, 136298), (2576, 118520), (2944, 103705), (2963, 103040), (3220, 94816), (3680, 82964), (4480, 68149), (5152, 59260), (5926, 51520), (6440, 47408), (7360, 41482), (10304, 29630), (11852, 25760), (12880, 23704), (14720, 20741), (14815, 20608)]