39281280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{499}}^1$

素因数の和:562

約数の個数: 128

約数和(自身を含む): 128520000

約数和(自身を除く): 89238720

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, 320, 328, 384, 410, 480, 492, 499, 615, 640, 656, 820, 960, 984, 998, 1230, 1312, 1497, 1640, 1920, 1968, 1996, 2460, 2495, 2624, 2994, 3280, 3936, 3992, 4920, 4990, 5248, 5988, 6560, 7485, 7872, 7984, 9840, 9980, 11976, 13120, 14970, 15744, 15968, 19680, 19960, 20459, 23952, 26240, 29940, 31936, 39360, 39920, 40918, 47904, 59880, 61377, 63872, 78720, 79840, 81836, 95808, 102295, 119760, 122754, 159680, 163672, 191616, 204590, 239520, 245508, 306885, 319360, 327344, 409180, 479040, 491016, 613770, 654688, 818360, 958080, 982032, 1227540, 1309376, 1636720, 1964064, 2455080, 2618752, 3273440, 3928128, 4910160, 6546880, 7856256, 9820320, 13093760, 19640640, 39281280]

約数ペア:

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