87745280

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{1399}}^1$

素因数の和:1434

約数の個数: 108

約数和(自身を含む): 244666800

約数和(自身を除く): 156921520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 896, 980, 1120, 1280, 1399, 1568, 1792, 1960, 2240, 2798, 3136, 3920, 4480, 5596, 6272, 6995, 7840, 8960, 9793, 11192, 12544, 13990, 15680, 19586, 22384, 27980, 31360, 39172, 44768, 48965, 55960, 62720, 68551, 78344, 89536, 97930, 111920, 137102, 156688, 179072, 195860, 223840, 274204, 313376, 342755, 358144, 391720, 447680, 548408, 626752, 685510, 783440, 895360, 1096816, 1253504, 1371020, 1566880, 1790720, 2193632, 2507008, 2742040, 3133760, 4387264, 5484080, 6267520, 8774528, 10968160, 12535040, 17549056, 21936320, 43872640, 87745280]

約数ペア:

[(1, 87745280), (2, 43872640), (4, 21936320), (5, 17549056), (7, 12535040), (8, 10968160), (10, 8774528), (14, 6267520), (16, 5484080), (20, 4387264), (28, 3133760), (32, 2742040), (35, 2507008), (40, 2193632), (49, 1790720), (56, 1566880), (64, 1371020), (70, 1253504), (80, 1096816), (98, 895360), (112, 783440), (128, 685510), (140, 626752), (160, 548408), (196, 447680), (224, 391720), (245, 358144), (256, 342755), (280, 313376), (320, 274204), (392, 223840), (448, 195860), (490, 179072), (560, 156688), (640, 137102), (784, 111920), (896, 97930), (980, 89536), (1120, 78344), (1280, 68551), (1399, 62720), (1568, 55960), (1792, 48965), (1960, 44768), (2240, 39172), (2798, 31360), (3136, 27980), (3920, 22384), (4480, 19586), (5596, 15680), (6272, 13990), (6995, 12544), (7840, 11192), (8960, 9793)]