158206720

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{17657}}^1$

素因数の和:17685

約数の個数: 72

約数和(自身を含む): 433115424

約数和(自身を除く): 274908704

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 17657, 35314, 70628, 88285, 123599, 141256, 176570, 247198, 282512, 353140, 494396, 565024, 617995, 706280, 988792, 1130048, 1235990, 1412560, 1977584, 2260096, 2471980, 2825120, 3955168, 4520192, 4943960, 5650240, 7910336, 9887920, 11300480, 15820672, 19775840, 22600960, 31641344, 39551680, 79103360, 158206720]

約数ペア:

[(1, 158206720), (2, 79103360), (4, 39551680), (5, 31641344), (7, 22600960), (8, 19775840), (10, 15820672), (14, 11300480), (16, 9887920), (20, 7910336), (28, 5650240), (32, 4943960), (35, 4520192), (40, 3955168), (56, 2825120), (64, 2471980), (70, 2260096), (80, 1977584), (112, 1412560), (128, 1235990), (140, 1130048), (160, 988792), (224, 706280), (256, 617995), (280, 565024), (320, 494396), (448, 353140), (560, 282512), (640, 247198), (896, 176570), (1120, 141256), (1280, 123599), (1792, 88285), (2240, 70628), (4480, 35314), (8960, 17657)]