287687680

素因数分解:

$2^{10}\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 176

約数和(自身を含む): 825350400

約数和(自身を除く): 537662720

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, 256, 280, 320, 322, 349, 368, 448, 460, 512, 560, 640, 644, 698, 736, 805, 896, 920, 1024, 1120, 1280, 1288, 1396, 1472, 1610, 1745, 1792, 1840, 2240, 2443, 2560, 2576, 2792, 2944, 3220, 3490, 3584, 3680, 4480, 4886, 5120, 5152, 5584, 5888, 6440, 6980, 7168, 7360, 8027, 8960, 9772, 10304, 11168, 11776, 12215, 12880, 13960, 14720, 16054, 17920, 19544, 20608, 22336, 23552, 24430, 25760, 27920, 29440, 32108, 35840, 39088, 40135, 41216, 44672, 48860, 51520, 55840, 56189, 58880, 64216, 78176, 80270, 82432, 89344, 97720, 103040, 111680, 112378, 117760, 128432, 156352, 160540, 164864, 178688, 195440, 206080, 223360, 224756, 256864, 280945, 312704, 321080, 357376, 390880, 412160, 446720, 449512, 513728, 561890, 625408, 642160, 781760, 824320, 893440, 899024, 1027456, 1123780, 1250816, 1284320, 1563520, 1786880, 1798048, 2054912, 2247560, 2501632, 2568640, 3127040, 3596096, 4109824, 4495120, 5137280, 6254080, 7192192, 8219648, 8990240, 10274560, 12508160, 14384384, 17980480, 20549120, 28768768, 35960960, 41098240, 57537536, 71921920, 143843840, 287687680]

約数ペア:

[(1, 287687680), (2, 143843840), (4, 71921920), (5, 57537536), (7, 41098240), (8, 35960960), (10, 28768768), (14, 20549120), (16, 17980480), (20, 14384384), (23, 12508160), (28, 10274560), (32, 8990240), (35, 8219648), (40, 7192192), (46, 6254080), (56, 5137280), (64, 4495120), (70, 4109824), (80, 3596096), (92, 3127040), (112, 2568640), (115, 2501632), (128, 2247560), (140, 2054912), (160, 1798048), (161, 1786880), (184, 1563520), (224, 1284320), (230, 1250816), (256, 1123780), (280, 1027456), (320, 899024), (322, 893440), (349, 824320), (368, 781760), (448, 642160), (460, 625408), (512, 561890), (560, 513728), (640, 449512), (644, 446720), (698, 412160), (736, 390880), (805, 357376), (896, 321080), (920, 312704), (1024, 280945), (1120, 256864), (1280, 224756), (1288, 223360), (1396, 206080), (1472, 195440), (1610, 178688), (1745, 164864), (1792, 160540), (1840, 156352), (2240, 128432), (2443, 117760), (2560, 112378), (2576, 111680), (2792, 103040), (2944, 97720), (3220, 89344), (3490, 82432), (3584, 80270), (3680, 78176), (4480, 64216), (4886, 58880), (5120, 56189), (5152, 55840), (5584, 51520), (5888, 48860), (6440, 44672), (6980, 41216), (7168, 40135), (7360, 39088), (8027, 35840), (8960, 32108), (9772, 29440), (10304, 27920), (11168, 25760), (11776, 24430), (12215, 23552), (12880, 22336), (13960, 20608), (14720, 19544), (16054, 17920)]