161768960

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2231

約数の個数: 80

約数和(自身を含む): 401425200

約数和(自身を除く): 239656240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1160, 1280, 1856, 2179, 2320, 2560, 3712, 4358, 4640, 7424, 8716, 9280, 10895, 14848, 17432, 18560, 21790, 34864, 37120, 43580, 63191, 69728, 74240, 87160, 126382, 139456, 174320, 252764, 278912, 315955, 348640, 505528, 557824, 631910, 697280, 1011056, 1115648, 1263820, 1394560, 2022112, 2527640, 2789120, 4044224, 5055280, 5578240, 8088448, 10110560, 16176896, 20221120, 32353792, 40442240, 80884480, 161768960]

約数ペア:

[(1, 161768960), (2, 80884480), (4, 40442240), (5, 32353792), (8, 20221120), (10, 16176896), (16, 10110560), (20, 8088448), (29, 5578240), (32, 5055280), (40, 4044224), (58, 2789120), (64, 2527640), (80, 2022112), (116, 1394560), (128, 1263820), (145, 1115648), (160, 1011056), (232, 697280), (256, 631910), (290, 557824), (320, 505528), (464, 348640), (512, 315955), (580, 278912), (640, 252764), (928, 174320), (1160, 139456), (1280, 126382), (1856, 87160), (2179, 74240), (2320, 69728), (2560, 63191), (3712, 43580), (4358, 37120), (4640, 34864), (7424, 21790), (8716, 18560), (9280, 17432), (10895, 14848)]