78562560

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:564

約数の個数: 144

約数和(自身を含む): 257544000

約数和(自身を除く): 178981440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 41, 48, 60, 64, 80, 82, 96, 120, 123, 128, 160, 164, 192, 205, 240, 246, 256, 320, 328, 384, 410, 480, 492, 499, 615, 640, 656, 768, 820, 960, 984, 998, 1230, 1280, 1312, 1497, 1640, 1920, 1968, 1996, 2460, 2495, 2624, 2994, 3280, 3840, 3936, 3992, 4920, 4990, 5248, 5988, 6560, 7485, 7872, 7984, 9840, 9980, 10496, 11976, 13120, 14970, 15744, 15968, 19680, 19960, 20459, 23952, 26240, 29940, 31488, 31936, 39360, 39920, 40918, 47904, 52480, 59880, 61377, 63872, 78720, 79840, 81836, 95808, 102295, 119760, 122754, 127744, 157440, 159680, 163672, 191616, 204590, 239520, 245508, 306885, 319360, 327344, 383232, 409180, 479040, 491016, 613770, 638720, 654688, 818360, 958080, 982032, 1227540, 1309376, 1636720, 1916160, 1964064, 2455080, 2618752, 3273440, 3928128, 4910160, 5237504, 6546880, 7856256, 9820320, 13093760, 15712512, 19640640, 26187520, 39281280, 78562560]

約数ペア:

[(1, 78562560), (2, 39281280), (3, 26187520), (4, 19640640), (5, 15712512), (6, 13093760), (8, 9820320), (10, 7856256), (12, 6546880), (15, 5237504), (16, 4910160), (20, 3928128), (24, 3273440), (30, 2618752), (32, 2455080), (40, 1964064), (41, 1916160), (48, 1636720), (60, 1309376), (64, 1227540), (80, 982032), (82, 958080), (96, 818360), (120, 654688), (123, 638720), (128, 613770), (160, 491016), (164, 479040), (192, 409180), (205, 383232), (240, 327344), (246, 319360), (256, 306885), (320, 245508), (328, 239520), (384, 204590), (410, 191616), (480, 163672), (492, 159680), (499, 157440), (615, 127744), (640, 122754), (656, 119760), (768, 102295), (820, 95808), (960, 81836), (984, 79840), (998, 78720), (1230, 63872), (1280, 61377), (1312, 59880), (1497, 52480), (1640, 47904), (1920, 40918), (1968, 39920), (1996, 39360), (2460, 31936), (2495, 31488), (2624, 29940), (2994, 26240), (3280, 23952), (3840, 20459), (3936, 19960), (3992, 19680), (4920, 15968), (4990, 15744), (5248, 14970), (5988, 13120), (6560, 11976), (7485, 10496), (7872, 9980), (7984, 9840)]