161428480

素因数分解:

$2^{10}\times 5^1\times {\mathrm{41}}^1\times {\mathrm{769}}^1$

素因数の和:835

約数の個数: 88

約数和(自身を含む): 397199880

約数和(自身を除く): 235771400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 769, 820, 1024, 1280, 1312, 1538, 1640, 2560, 2624, 3076, 3280, 3845, 5120, 5248, 6152, 6560, 7690, 10496, 12304, 13120, 15380, 20992, 24608, 26240, 30760, 31529, 41984, 49216, 52480, 61520, 63058, 98432, 104960, 123040, 126116, 157645, 196864, 209920, 246080, 252232, 315290, 393728, 492160, 504464, 630580, 787456, 984320, 1008928, 1261160, 1968640, 2017856, 2522320, 3937280, 4035712, 5044640, 8071424, 10089280, 16142848, 20178560, 32285696, 40357120, 80714240, 161428480]

約数ペア:

[(1, 161428480), (2, 80714240), (4, 40357120), (5, 32285696), (8, 20178560), (10, 16142848), (16, 10089280), (20, 8071424), (32, 5044640), (40, 4035712), (41, 3937280), (64, 2522320), (80, 2017856), (82, 1968640), (128, 1261160), (160, 1008928), (164, 984320), (205, 787456), (256, 630580), (320, 504464), (328, 492160), (410, 393728), (512, 315290), (640, 252232), (656, 246080), (769, 209920), (820, 196864), (1024, 157645), (1280, 126116), (1312, 123040), (1538, 104960), (1640, 98432), (2560, 63058), (2624, 61520), (3076, 52480), (3280, 49216), (3845, 41984), (5120, 31529), (5248, 30760), (6152, 26240), (6560, 24608), (7690, 20992), (10496, 15380), (12304, 13120)]